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UV Absorber 531
Number of views:
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UV absorber series
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UV Absorber 531
Chemical name: 2-hydroxy-4-n-octyloxybenzophenone
| Molecular formula |
C21H26O3
|
| Molecular weight |
326
|
| CAS number |
1843-05-6
|
Product introduction: UV absorber UV-531 is a highly efficient anti-aging additive with excellent performance, which can absorb 240-340 nanometer ultraviolet light, with light color, non-toxic, good compatibility, small migration, easy to process and so on. It provides maximum protection to the polymer and helps reduce color while retarding yellowing and retarding physical property loss.
Physical Properties:
| Appearance: | Light yellow powder | Content: |
≥99%
|
| melting point: | 47-49℃ | Gray: |
≤0.1%
|
| Transmittance: | 460nm≥97% 500nm≥98% | Dry loss: |
≤0.5%
|
Application:It is widely used in PE, PVC, PP, PS, PC, plexiglass, polypropylene fiber and vinyl acetate, etc. Alkyd varnishes, polyurethanes, acrylics, epoxies and other air-drying products, as well as automotive refinish paints, powder coatings, rubber and other products provide good light stabilization. The dosage is 0.1-0.5%.
Packaging: Package in cardboard drum lined with plastic bag, 20KG/drum.
Storage: Protect against rain, moisture and sun.
Validity period:2 years
Keyword:
UV Absorber 531
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UV Absorber UV-329
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The UV absorber is a hydroxyphenylbenzotriazole type UV absorber, which can effectively protect the gloss of the coating, avoid cracks and spots, the product is easy to emulsify, and is especially suitable for water-based systems. Dispersion of UV absorbers in aqueous systems can be obtained by dissolving in water-soluble solvents such as diethylene glycol diethyl ether.
UV absorbers with good high temperature resistance and anti-extraction properties are especially suitable for industrial and automotive coatings with high weather resistance requirements, and can also provide sufficient protection for sensitive substrates such as wood.
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UV Absorber 531
Chemical name: 2-hydroxy-4-n-octyloxybenzophenone
Molecular formula
C21H26O3
Molecular weight
326
CAS number
1843-05-6
Product introduction: UV absorber UV-531 is a highly efficient anti-aging additive with excellent performance, which can absorb 240-340 nanometer ultraviolet light, with light color, non-toxic, good compatibility, small migration, easy to process and so on. It provides maximum protection to the polymer and helps reduce color while retarding yellowing and retarding physical property loss.
Physical Properties:
Appearance:
Light yellow powder
Content:
≥99%
melting point:
47-49℃
Gray:
≤0.1%
Transmittance:
460nm≥97% 500nm≥98%
Dry loss:
≤0.5%
Application:It is widely used in PE, PVC, PP, PS, PC, plexiglass, polypropylene fiber and vinyl acetate, etc. Alkyd varnishes, polyurethanes, acrylics, epoxies and other air-drying products, as well as automotive refinish paints, powder coatings, rubber and other products provide good light stabilization. The dosage is 0.1-0.5%.
Packaging: Package in cardboard drum lined with plastic bag, 20KG/drum.
Storage: Protect against rain, moisture and sun.
Validity period:2 years
编号:
Number of views:
1000
Keywords:
UV Absorber 531
编号:
UV Absorber UV-329 Chemical name: 2-(2'-hydroxy-5'-(1,1,3, 3-Tetramethylbutyl)phenyl)benzotriazole
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编号:
UV Absorber UV-328
Chemical name: 2-(2’-hydroxy-3’-5’-di-tert-amylphenyl)benzene Triazole
Molecular formula
C22H29N3O
Molecular weight
351.5
CAS number
25973-55-1
Product introduction: This product has excellent photostability to plastics and other organic substances. Recommended for use in styrene polymers, copolymers, acrylic polymers, unsaturated polyesters, polyvinyl chloride, polyolefins, urethane formic acids, polyacetals, vinyl chloride butyrals, elastomeric polymers and adhesives .
Physical Properties:
Appearance:
Light yellow powder
Content:
≥99%
melting point:
≥80℃
Gray:
≤0.1%
Transmittance:
460nm≥97% 500nm≥98%
volatiles:
≤0.3%
Applications:UV-328 is a highly effective stabilizer for a range of plastics and other organic substrates. Including homopolymers and copolymers of styrene, acrylic polymers, unsaturated polyesters, PVC, polyolefins, polyurethanes, polyacetals, polyvinyl butyrals, elastomers and adhesives, etc. UV-328 has the characteristics of strong ultraviolet absorption, light initial color, good compatibility with various substrates, good solubility in plasticizers and relatively low volatility. It can maintain the original appearance of the substrate and Integrity of appearance. UV-328 can be used alone or in combination with other stabilizers, such as: HALS, antioxidants and other functional stabilizers and auxiliaries. UV-328 has a synergistic effect when used in combination with hindered amine light stabilizers. The dosage of UV-328 depends on the performance requirements of the substrate and the final application, and the dosage is 0.10-1.0%
Packing: Packing in cardboard drums lined with plastic bags, 20KG/drum, or according to customer requirements.
Storage: This product has good storage stability, and high temperature and humidity should be avoided during storage and transportation.
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Number of views:
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