TDS of Light Stabilizer 123
Chemical name : Decanedioic acid, bis(2,2,6,6-tetramethyl-1-(octyloxy)-4-piperidinyl)ester,
Chemical name : reaction products with 1,1-dimethylethylhydroperoxide and octane
CAS NO. : 129757-67-1
Molecular weight : 737
Chemical structure
Description
Light Stabilizer 123 is a highly effective radical scavenger belonging to the Hindered Amine Light Stabilizers(HALS) family of stabilizers based on an aminoether functionality.
Application
Light Stabilizer 123 is a liquid HALS with low basicity, and outstanding light stabilities in applications, like coatings, printing ink and polyurethane lacquer. It prevents the surface from blowing-out, peeling-off, or chalking for pigmented paint, and is particularly suitable for high solid, acid atalyzed automotive and industrial coatings with high efficiency. Though not soluble in water, its liquid form also allows easy emulsification in water. It also has strong synergistic effect when used with a UV absorber.
Product form : clear, slightly yellow liquid
Safety and Handling:
The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash throughly after handling. Store the product in a cool, dry, well ventilated area from incompatible materials.
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Chemical name
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:
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Equivalent
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:
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Tinuvin 622(Ciba), Uvinul 5062 H(BASF), Lowilite 62 (Great Lakes),etc.
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CAS NO.
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:
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65447-77-0
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Molecular formula
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:
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H[C15H25O4N]nOCH3
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Molecular weight
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:
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3100-5000
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Chemical structure
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Specification
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Appearance
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:
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White coarse powder or yellowish granular
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Melting range
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:
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50-70°Cmin
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Ash
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:
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0.05% max
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Transmittance
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:
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425nm: 97%min
450nm: 98%min (10g/100ml methyl benzene)
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Volatility
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0.5% max
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Application
Light Stabilizer 622 belongs to the newest generation of polymeric Hindered Amine Light Stabilizer, which has excellent hot processing stability. Terrific compatibility with resin, satisfying tractability against water and extreme low volatility and migratory. Light stabilizer 622 can be applied to PE.PP. Polystyrene, ABS, polyurethane and polyamide etc, optimum effects are obtained when used with antioxidants and UV-absorbers. Light stabilizer 622 is one of the light stabilizers that are sanctioned by FDA to be used in food packages. Reference dosage in PE agricultural film: 0.3-0.6%.
Packing and storing
25kgs carton (inner with plastic bag).
Store in dry places under 30℃ avoiding moisture and light.
Chemical name : 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole
CAS NO. : 2440-22-4
EINECS NO. : 219-470-5
Molecular formula : C13H11 N3O
Molecular weight : 225.25
Chemical structure
Specification
Appearance : Light yellow powder or crystal
Melting point : 128-132
℃
Purity : 99% min
Volatile : 0.5%max
Ash : 0.1% max
Light transmittance : 440nm≥97%
500nm≥98%
Application
UV-P is a high-efficiency UV radiation absorbing agent, capable of effectively absorbing UV radiation of 290-400 nm wavelength, mainly applied to polyvinyl chlornamee, polypropylene, unsaturated resin, poly carbonate, polymethyl methyl acrylic , polyethylene, ABS resin, epoxy resin, fiber resin etc. almost does not absorb visible light, particularly applicable to colorless and colored products. UV-P
UV-P has Food Contact Approvals in rigid and flexible PVC applications for food, consumer care products and pharmaceuticals, preserving the package contents from the detrimental effects of light.
Package
Packed in cardboard drums lined with plastic bags with the net weight of 25 kg or according to customers' requirements.
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Chemical name
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Poly-{[6-[(1,1,3,3-tetramethylbutyl)amino]-1,3,5-triazine-2,4-diyl]
[(2,2,6,6-tetramethyl-4-piperidyl)imino]-1,6-hexanediyl[(2,2,6,6-
tetramethyl-4-piperidyl)imino]}
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Equivalent
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Chimassorb 944 (Ciba), Cyasorb 3346 (Cytec), Lowilite 94 (Great Lakes),etc.
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CAS NO.
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:
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71878-19-8 / 70624-18-9 (US)
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Molecular formula
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:
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[C35H64N8]n (n=4-5)
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Molecular weight
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:
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Mn = 2000-3100
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Chemical structure
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Specification
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Appearance
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White or light yellow powder / granular
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Melting point
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:
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110-130°Cmin
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Volatiles
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:
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0.5% max
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Ash
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:
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0.05% max
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Transmittance
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:
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425nm: 94%min
450nm: 95%min
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Usage
Light Stabilizer 944 is an oligomeric HALS; it imparts excellent light stability in polyolefin (PP, PE, PVC), PA, polyacetals and polyester. Light Stabilizer 944 shows excellent It shows excellent compatibility and high resistance to extraction. When be used with other HALS together show excellent synergistic effect. In addition, Light Stabilizer 944 can be used in food package materials. Now,Light Stabilizer 944 is one of the advanced HALS and is used widely at home and abroad.
Packing and storing
25kgs carton (inner with plastic bag). For this product is apt to absorb humidity, it should be kept in clean and dry place and avoid light.
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Chemical name
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Equivalent
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:
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Tinuvin 770 (Ciba), Uvinul 4077 H (BASF), Lowilite 77(Great Lakes),etc.
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CAS NO.
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:
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52829-07-9
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Molecular formula
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:
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C28H52O4N2
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Molecular weight
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:
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480.73
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Chemical structure
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Specification
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Appearance
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:
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White powder / granular
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Purity
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:
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99.0% min
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Melting point
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:
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81-85°Cmin
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Ash
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:
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0.1% max
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Transmittance
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:
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425nm: 99%min
450nm: 99%min (10g/100ml methyl benzene)
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Volatility
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0.2% (105°C,2hrs)
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Application
Light Stabilizer 770 is a highly effective radical scavenger that protects organic polymers against degradation caused by exposure to ultraviolet radiation. Light Stabilizer 770 is widely used in a variety of applications including polypropylene, polystyrene, polyurethanes, ABS, SAN, ASA, polyamides and polyacetals. Light Stabilizer 770 is high effectiveness as a light stabilizer makes it well suitable for applications in both thick section and films, independent of the thickness of the articles. Combined with other HALS products, Light Stabilizer 770 displays strong synergistic effects.
Packing and storing
25kgs carton (inner with plastic bag).
The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash thoroughly after handling. Store the product in a cool, dry, well-ventilated area away from incompatible materials.
Chemical name : The active substance is a mixture of: Poly-{[6-[(1,1,3,3-
tetramethylbutyl)-imino]-1,3,5-triazine-2,4-diyl][2-(2,2,6,6-tetramethylpiperidyl)-amino]-hexamethylene-[4-(2,2,6,6-tetramethylpiperidyl)-imino]} and
Poly-(N- beta-hydroxyethyl-2,2,6,6-tetramethyl-4- hydroxy- piperidyl succinate)
CAS NO. : 71878-19-8/ 65447-77-0
Molecular weight : >2500
Chemical structure
Specification
Appearance : light yellow powder or granules
Volatility : 0.75%
Ash : 0.1% max
Transmittance : (425nm) 90% min
Transmittance : (500nm) 94% min
Application
LIGHT STABILIZER 783 areas of application include polyolefin (PP, PE), polyurethane, polyformaldehyde, polyamide and polyester and polyester with elastomers. And it can be used in engineering plastic such as ABS. When be used in low concentration agricultural film system (LDPE or LLDPE), it delivers excellent cost /performance benefits.
Packing and storing
25kgs carton (inner with plastic bag).
Avoid sunlight. Be kept in dry place and under 30℃.
TDS of Light Stabilizer 292
Chemical name : The active substance is a mixture of: Bis(1,2,2,6,6-
pentamethyl-4-piperidinyl)-sebacate and 1-(Methyl)- 8-(1,2,2,6,6-pentamethyl-4-piperidinyl)-sebacate
CAS NO. : 41556-26-7 / 82919-37-7
Molecular formula : C30H56N2O4 / C21H39NO4
Chemical structure
Specification
Appearance : Light yellow viscous liquid
Purity : 97.0% min
Color value : 60# max
Ash : 0.1% max
Transmittance : (425nm) 97% min (10g/100ml toluene)
Transmittance : (500nm) 99% min
Application
Light Stabilizer 292 may be used after adequate testing for applications such as: automotive coatings, coil coatings, wood stains or do-it-yourself paints, radiation curable coatings. Its high efficiency has been demonstrated in coatings based on a variety of binders such as: One and two-component polyurethanes: thermoplastic acrylic (physical drying), thermosetting acrylics, alkyds and polyester, alkyds (air drying), water borne acrylics, phenolics, vinylics, radiation curable acrylics.
Package
200 kgs net weight steel drum.
Being easy to absorb moisture, it should be sealed and stored in dry places.
Safety and Handling:
Light Stabilizer 292 can be handled as industrial chemical provided the following handling precautions are observed: work in a clean and well ventilated area avoid contact within skin (gloves), wear goggles to avoid irritation of the eyes.
TDS of BP-1
Chemical Name: 2, 4-Dihydroxybenzophenone
Chemical Formula: C13H10O2
CAS NO.: 131-56-6
Structural Formula:
Main Indexes:
Appearance : Yellow crystal or white powder
Content : ≥99%
Melting Point : 142-149°C
Loss on Drying : ≤0.5%
Heavy Metal (ppm) : ≤5.0
Chroma : ≤7G
Light Transmittance : 290nm ≥630
Characteristics and Uses:
This product is a light stabilizer agent, applicable to polyolefine, poyvinyl chlornamee, polystyrene etc. and as the intermediate of UV-absorbing agents as well.
Storing and Packing:
This product is nontoxic , fire-resistive, explosive-resistive and stable in storing, packed in cardboard drum lined with plastic bags with the net capacity of 20 kg per drum or according to customers' demands.
TDS of BP-12
Chemical Name: 2-Hydroxy-4-n-Octoxy Benzophenone
Chemical Formula: C21H26O3
CAS NO.:1843-05-6
Structural Formula:
Main Indexes:
Appearance: Light yellow needle-like powder
Content : ≥99%
Melting Point :47-49°C
Ash : <0.1%
Light Transmittance:450nm>90% 500nm>95%
Solubility (25°C) (g/100g Solve NT): Acetone: 74 Benzene 72
Methanol: 2 Ethanol (95%):2.6
n-heptane:40 n-hexane:40.1
Characteristics and Uses:
This product is a light stabilizer with good performance, capable of absorbing the UV radiation of 240-340 nm wavelength with the characteristics of light color, nontoxic , good compatibility, small mobility, easy processing etc. It can protect the polymer to its maximum extent, helps to reduce the color. It can also delay the yellowing and obstacle the loss of its physical function. It is widely applied to PE,PVC,PP,PS,PC organic glass, polypropylene fiber, ethylene-vinyl acetate etc. Moreover, it has very good light-stability effect on drying phenol aldehyde, varnish of alcohol and acname, polyurethane, acrylate, expoxnamee etc. Its dosage is 0.1%-0.5%.
Storing and Packing:
This product is nontoxic, inflammable, noncroddible and well stable, packed in cardboard drums lined with plastic bags with the net capacity of 20 kg per bag, or according to customers' requirements.
TDS of BP-9
Chemical Name: 2-Hydroxy-4-methoxy-benzophenone
Chemical Formula: C14H12O3
CAS NO.: 131-57-7
Structural Formula:
Main Indexes:
Appearance: Light yellow crystalline powder
Content :≥99%
Melting Point :62-64°C
Ash: ≤0.1%
Loss on Drying : ≤0.5%
Solubility: Benzene : 56.2%;
n-hexane: 4.3%;
ethanol (95%): 5.8% ;
Carbon tetrachlornamee:34.5% ;
styrene: 51.2%; DOP: 18.7%
Characteristics and Uses:
This product is a high-efficienct UV radiation absorbing agent, capable of effectively absorbing UV radiation of 270-340 nm wavelength ,but it almost does not absorb visible light, particularly applicable to light-colored transparent products. It is well stable to light and heat, not decomposable below 200°C, applicable to paint and various plastic products, particular effective to polyvinyl chloirde, polystyrene, polyurethane, acrylic resin, light-colored transparent furniture, as well as to cosmetics , with the dosage of 0.1-0.5%.
Storing and Packing:
This product is nontoxic, inflammable, noncroddible and well stable, packed in cardboard drums lined with plastic bags with the net capacity of 25 kg per bag, or according to customers' requirements.
TDS of UV-326
Chemical Name: 2-(2'-hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole
Chemical Formula: C17H18N3Ocl
CAS NO.: 3896-11-5
Structural Formula:
Main Indexes:
Appearance: Light Yellow Crystalline Powder
Content : ≥99%
Melting Point: 137￡141°C
Loss on Drying :≤0.5%
Light Transmittance: 460nm≥97% 500nm≥98%
Characteristics and Uses:
raviolet radiation with the wavelength of 270-380 nanometers, mainly applied to polyvinyl chlornamee, polystyrene, unsaturated resin, polycarbonate, poly (methyl methacrylate), polyethylene, ABS resin, expoxy resin and cellulose resin. This product almost does not absorbing visible light, particular applicable able to colorless transparent products and colored products. Dosage:0.1-0.5% for thin products and 0.05-0.2% for thick products. It can be applied to plastic products for packing foods.
Storing and Packing:
This product is nontoxic, inflammable, incrossible and stable in storing. It is packed in cardborad drum lined with plastic bags with the capacity of 20 kg per drum and can also be packed according to customers' requirements .
TDS of UV-327
Product Description:
Chemical Name: 2,4-DI-TERT-BUTYL-6-((5-CHLOROBENZOTRIAZOL-2-YL) PHENOL
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Molecular formula
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C20H24N3OCL
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Molecular Weight
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358
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CAS#
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3864-99-1
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Introduction:
This product is an ultraviolet light absorbent of the hydroxyphenyl benzotriazole class, which imparts outstanding light stability to plastics and other organic substrates.
Physical Properties:
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Appearance:
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Yellow powder
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Assay:
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≥99%
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Melting Range:
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≥154℃
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Ash:
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≤0.1%
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Light Transmittance:
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460nm≥95%
500nm≥97%
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Volatiles:
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≤0.5%
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Solubility: (At 20℃g/100ml solvent)
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Water
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<0.01
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Methylene chloride
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17
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Acetone
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1
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Methanol
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<0.1
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Benzene
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16
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n-Hexane
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4
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Applications:
This product is a highly effective light stability for variety of plastics and other organic substrates. Due to Its red shifted UV absorption, it is particularly suited foruse in the stabilization of polymers that are especially sensitive to long-wavelength UV radiation (eg. Polyurethanes, polyphenylene sulfide) and in certain applications where very low transmission of long-wavelength UV radiationis required (eg. Optical lenses). Its use is recommended in a variety of polymers and organic substrates, including a crylic polymers, unsaturated polyesters, polyvinyl-chloride, polyolefins, polyvinglbu-tyral, elastomers and adhesives.
Package:
The package is the paperboard drum lined with plastic bag. The net weight is 20kg / drum
Storage:
When stored, please avoid the rain, moisture and sunshine
Period of Validity: About 2 years
TDS of UV-328
Chemical Name: 2-(2H-benzotriazol-z-yl)-4,6-di-tert-pentylphenol
Chemical Formula: C22H29N3O
CAS NO.: 3896-11-5
Product Intro:
This product is a benzotriazole ultraviolet absorber. It is one of the fine varieties of light stabilizer , its advantages are: stable performance, low toxicity, strong ultraviolet absorbability, can be used in the plastic wrappings and children plastics. Can be used in the polypropylene , polyethylene, can be used in such products as the polyvinyl chlornamee, lucite, ABS resin, coating, petroleum products and rubber,etc.. This product has good dissolubility with many kinds of high polymers, and concurrently it has anti-oxygen performance, can use together with antioxidant.
Main Indexes:
Appearance: light yellow powder
Content: ≥99%
Melting Point:80-83℃
Loss on Drying: ≤0.5%
Ash Content: ≤0.1％
Light Transmittance 440nm≥97%；500nm≥98%
Solution : It can dissolve in benzene, toluene, ethyl acetate and petroleum ether, slightly dissolve in ethanol and methyl alcohol, can not dissolve in water.
Characteristics and Uses:
It is a high performance Ultraviolet Absorber. Its maximum ultraviolet absorption peak is 345nm, its light stability is similar to UV-326 and UV-327, but this product has good dissolubility with the resins. Its heat volatility is low and its durability to washing is very good. It is mainly used in polyethylene, polypropylene, polystyrene, polyvinyl chlornamee, polyester, epoxy resin, ABS resin and cellulosic resin, etc., about 1% of general consumption. Has a fine light stability too in various kinds of coating.
Storing and Packing:
(1) UV-328 is nontoxic, uninflammable, unexplosive and incorrosive, has good storage stability.
(2) cardboard drum inner lining plastic bag, each drum 25kg net weight
TDS of UV-329
Chemical Name: 2-(2'- Hydroxy -5'-tert-octylphenyl)Benzotriazole
Chemical Formula: C20H25N3O
CAS NO.: 3147-75-9
Structural Formula:
Main Indexes:
Appearance :White Powder
Content: ≥99%
Melting Point :101-106°C
Ash: <0.1%
Light Transmittance :440nm>97% 500nm>98%
Characteristics and Uses:
This product is an excellent high-efficiency, aging-preventing agent, capable of absorbing the ultraviolet radiation of 270-340 nanometers, widely applied to PE,PVC,PP,PS,PC,polypropylene fiber, ABS resin, epoxy resin, resin fiber and ethylene -vinyl acetate etc. It can be applied to plastic containers and food packing boxes as packaging materials, provide them good light-stabilizing effect. Dosage:0.1-0.5% for thin products and 0.05-0.2% for thick products.
Storing and Packing:
This product is nontoxic , fire-resistive, explosive-resistive, and well stable in storing. It is packed in cardboard drum lined with plastic bags with the net capacities of 25 kg and 50 kg; it can also be packed according to customers' requirements.
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Detail:
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Molecular Formula:
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C14H12O3
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Molecular Weight:
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228.24
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CAS No.:
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131-57-7
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Appearance:
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white or Light yellow crystalline powder
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Loss on drying:
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0.2% max.
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Assay:
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99.0% min.
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Heavy metals:
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5 ppm max.
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Melting point:
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62.0-65.0oC
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Burnt Residue:
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0.1 max
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UV Absorbance Max @288 nm:
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630 min.
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UV Absorbance Max @325 nm:
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410 min.
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Total Aerobic Count:
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100 CFU/g max
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Total Leaf Mold:
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300 CFU/g max
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Package:
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25kg cardboard drum or 20kg carton
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Storage:
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Preserve in tight, light-resistent containers
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Shelf Life:
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2 Years
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Chemical Name:
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2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
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INCI Name:
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Benzophenone-6, Uvinul D49
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Physical Data:
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C15H14O5
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CAS No.:
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131-54-4
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Molecular Weight:
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274.27 g/mol
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Chemical Structure:
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Melting Point:
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133-136οC
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Appearance:
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light yellow powder
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Application:
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It can absorb ultraviolet light of 290-400nm. Used in plastics, cosmetic
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Parameter:
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Purity
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99 %
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Melting Point
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134οCmin
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Chemical Name:
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2-hydroxy-4-methoxy benzophenone-5-sulphonic acid
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INCI Name:
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Benzophenone-4, bp-4£¬uv-284
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Physical Data:
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C14H12O6S
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CAS.No.:
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4065-45-6
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Molecular Weight:
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308.31g/mol
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Chemical Structure:
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Appearance:
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Bright yellow powder
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Application:
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Benzophenone-4 can absorb ultraviolet light of 290-400nm. Used in plastics, cosmetic¡£
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Parameter:
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Melting Point
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107οC
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Purity
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99%
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TDS of BP-5
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2-Hydroxy-4-Methoxy Benzophenone-5-Sodium sulfonate ,Benzophenone-5 (BP-5)
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CAS No.:6628-37-1
EINECS No.:229-601-8
Appearance:light-yellow powder
Specific Extinction（1％，1cm）：
E287≥480
E325≥290
Loss on drying：≤1.5 %
Melting point：≥280℃
PH Value：6.0-6.5
Turbidity:≤2.0 EBC
Color:≤2.0
Heavy metal:≤5ppm
Purity(HPLC):≥99.0％
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TDS of BP-12
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2-Hydroxy-4-n-octoxy Benzophenone, Benzophenone-12 (BP-12)
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CAS No.:1843-05-6
EINECS No.:217-421-2
Appearance:Pale greenish yellow crystalline powder
Assay:≥99.0%
Melting point:47.0-49.0℃
Transmittance ：450nm:≥90%，500nm:≥95%
Storage condition:Preserve under tight and light-resistant condition
Package:25kg fibre drum、20kg carton or 25kg carton
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TDS of UV absorber 531
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Chemical Name: 2-Hydroxy-4-Octyloxy Benzophenone (Benzophenone-12)
CAS NO: 1843-05-6
Molecular Formula: C21H26O3
Structural Formula:
Property : ①Yellowish crystals;
②Yellowish fine powder
Freely soluble in benzene, n-hexane, acetone, slightly soluble in ethanol, very slightly soluble in ethane dichloride.
Specification
Content：≥99 %
Melting Point: 47~49 °C
Ash: ≤0.1 %
Light Transmittance: (450nm)≥90% (500nm)≥95%
Characteristics and Uses: This product is a light stabilizer with good performance, capable of absorbing the UV radiation of 240-340 nm wavelength with the characteristics of light color, nontoxic , good compatibility, small mobility, easy processing etc. It can protect the polymer to its maximum extent, helps to reduce the color. It can also delay the yellowing and obstacle the loss of its physical function. It is widely applied to PE,PVC,PP,PS,PC organic glass, polypropylene fiber, ethylene-vinyl acetate etc. Moreover, it has very good light-stability effect on drying phenol aldehyde, varnish of alcohol and acname, polyurethane, acrylate, expoxnamee etc. Its dosage is 0.1%-0.5%.
Package: packed in cardboard drums lined with plastic bags with the net capacity of 20 kg per bag.
Precaution: No toxicity kept away from moisture and fire in transportation; stored and transported as common chemicals with relatively good stability.
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TDS of UV-1084
Ultraviolet absorbent UV-1084
CHEMICAL NAME: 2,2'-THIOBIS(P-TERT-OCTYLPHENOLATE)-N-BUTYLAMINE NICKEL
CAS No.: [14516-71-3]
Specification:
Appearance: Light green powder
Melting Point:245.0-280.0°C
Purity (HPLC): Min. 99.0%
Volatiles (10g/2h/100°C ): Max. 0.8%
Toluene Insolubles : Max. 0.1%
Sieve Residue: Max. 0.5% -at 150
TDS of UV-234
Ultraviolet absorbent UV-234
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CHEMICAL NAME: 2-(2H-benzotriazole -2-yl)-4,6-bis (1-methyl-1-phenyl ethyl) phenol
CAS No.: [70321-86-7]
Specification:
Appearance: Pale white powder
Melting point: ≥135°C
Volatile matter: ≤0.5%
Ash content: ≤0.1%
Purity: ≥99%
Transmissivity: 460nm ≥97% ; 500nm ≥98%
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TDS of UV-360
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UV Absorber 360
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CHEMICAL NAME:2,2'-methylene-bis[6-(2H-benzotriazol-2-yl)-4-(1.1.3.3-tetramethylbutyl) phenol]
CAS No.: [103597-45-1]
Specification:
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Appearance: Slightly yellowish powder
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Purity(GC): 97% Min.
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Transmittance: 97% Min. (460nm) ; 98% Min. (500nm)
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Melting Point: 195℃ Min.
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Ash: 0.1% Max.
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Loss on drying: 0.5% Max
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TDS of UV-1164
Product Name : UV-1164
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intro:
Chemical name : 2-[4,6-bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl]-5-(octyloxy)-phenol
CAS NO : 2725-22-6
Chemical structure :
Specification :
Appearance : Slightly yellow powder
Assay : ≥ 99%
Melting point : 87-89 °C
Loss on drying : ≤ 0.5%
Ash : ≤ 0.1%
Use : As the ultraviolet absorption agent, it is available to nylon and other engineering plastic etc.
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TDS of UV-320
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Ultraviolet absorber UV-320
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Chemical Name: 2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)-Phenol
Molecular Formula: C20H25N3O
Molecular Weight:323
Structure:
Property and Usage:
UV-320 is a highly effective light stablizer for a variety of plastics and other organic substrates including unsaturated polyesters, PVC and PVC plastisol. Good results are also expected when UV-320 is used in polycarbonates, polyurethanes, polyamides, synthetic fibers, particularly those with a polyestcr, skyd. epoxy or isocyanate resin base. UV-320 features strong UV absorption excellent compatibility in a varicty of substrates and low volatility and protects polymers, as well as organic pigments from UV radiation hclping to preservc the original appearance and physical integrity of molded articles, films, sheets and fibers during outdoor weathering, UV-320 is slightly more discoloring than convention UV absorbers.
Specification:
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Appearance:
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white powder
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Melting Point:
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152-156°C
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Light Transmittance:
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440(nm)97% min
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500(nm)98% min
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Purity:
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99%(HPLC)min
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LD50:2000mg/kg min
Package:25 Fiberboard drum
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TDS of UV-0
UV Absorbent UV-0
Product Name: 2,4-Dihydroxy benzophenone
Molecular Formula: C13H10O3
CAS NO.: 131-56-6
Appearance: light yellow crystalline powder
Assay: ≥99%
M.P.: 141-147℃
Drying Loss: ≤0.2%
Loss on ignition: ≤0.5%
Light transmittance: 290nm≥630
PH: 3-4
Storage & Packing:
Good stability; packed in cardboard drum lined with plastic bag; net wt. 20-25KG/drum, or upon clients' requests.
Features & Use:
UV Absorbent UV-0 is mainly used for PVC, PS, epoxy resin, cellulosic resin, unsaturated polyester resin, coatings and synthetic rubbers etc. max. absorption wavelength range: 280-340nm. Use level: 0.1-1%.
TDS of UV-571
Liquid Benzotriazole UV Absorber
Chemical name: 2-(2H-benzotriazol-2-yl)-6-dodecyl-4-methylpheno, branched and linear
CAS number: 125304-04-3
Molecular Formula: C25H35N3O
Molecular Weight: 393.56
Appearance: clear viscous yellow liquid
Characterization: UV-571 is a liquid benzotriazole type ultraviolet absorber which imparts good light stability to a variety of polymers.
Applications UV-571 can be applied in thermoplastic PUR, coating and integral foams, rigid and plasticized PVC, PVB, PMMA, PVDC, EVOH, EVA, hot cured unsaturated polyesters and spin finishes for PA, PET,PUR, and PP fibers. The product is also suitable for latices, waxes, adhesives, styrene homo- and copolymers, elastomers and polyolefins.
Features/benefits The liquid UV absorber UV-571 is highly soluble in many solvents, monomers, or intermediates and easily emulsifiable in water-based adhesives. UV-571 features high compatibility in various substrates, low volatility even at elevated temperatures, and high absorption and protection efficiency.
Guidelines for use The use levels of UV-571 range between 0.2% and 5.0%, depending on the substrate and performance requirements of the final application.In polyurethanes, the concentration levels for UV-571 range between 0.2% and 0.5% depending on substrate, processing conditions and long-term light stability requirements. Concentration levels of UV-571 in PVC applications range from 0.3% to 0.5%. Concentrations up to 5% can be used in co-extruded PVC.
In adhesives, the concentration levels for UV-571 range between 0.5 % and 1.0%.
UV-571 can be used in combination with other additives such as phenolic antioxidants, costabilizers (e.g. phosphites, thioethers), UV absorbers, and hindered amine light stabilizers (HALS).