| Customization: | Available |
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| CAS No.: | 25973-55-1 |
| Certification: | REACH |
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| Classification: | Chemical Auxiliary | Product Name: | UV absorbers 328 |
| Place of Origin: | Jiangsu, China | CAS No.: | 25973-55-1 |
| Brand Name: | Unitechem | Purity: | ≥99 % |
| Package: | 25kg cardboard or customized | Color: | Light yellow |
| Freight Term: | FOB, CIF, CFR | Appearance: | Slightly yellow powder |
| Port of departure: | Shanghai | MOQ: | ≥25 kg |
| Content | UV absorbers 328 |
| Formula | 2-(2-Hydroxy-3,5-di-tert-pentylphenyl)-2H-benzotriazole |
| CAS NO | 25973-55-1 |
| Appearance | Light Yellow powder |
| Light Transmittance | ≥96% (460nm) ≥97% (500nm) |
| Volatile Matter | ≤0.5% |
| Ash Content | ≤0.1% |
| Melting Point | 79-87°C |
| Features and Application | UV Absorber 328 is a strong absorber of ultraviolet radiation in the 290-400nm region. It has good chemical stability, light color, little volatility, good compatibility with polyolefin and other resins, good storage stability. The product is mainly used in polyolefin, styrene monopolymer and copolymer, ABS, acrylic polymer, unsaturated polyester, thermoplastic polyurethane, polyacetal, PVB(polyvinyl butanal), epoxy and polyurethane two-component system. It can be used in combination with antioxidant and HALS to optimize the outdoor performance of products. |
| Cautions | The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash thoroughly after handling. |
| Package and Storage | Package: 25kg carton inner with plastic bag or as customer`s requirement. Storage: Keep container tightly closed in a dry and well-ventilated place. |
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