| Chemical name | 2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol | ||
| CAS number | 25973-55-1 | ||
| Molecular structure |  |
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| Product form | Light yellow powder | ||
| Specifications | TEST | SPECIFICATION | |
| Assay (%) | 99.00 MIN | ||
| Melting Point (℃) | 79.00-87.00 | ||
| Volatile (%) | 0.50 MAX | ||
| Ash(%) | 0.10 MAX | ||
| Transmittance(%) | |||
| 460nm | 97.50 MIN | ||
| 500nm | 98.00 MIN | ||
| Application | UV 328 can be used in high performance plastics and other organic stabilizer. Recommended for styrene and styrene copolymer, acrylic polymer, unsaturated polyester, polyvinyl chloride, polyolefin, polyurethane. UV 328 has an excellent UV absorption, low initial color, good compatibility for a variety of material, and also with a good solubility and low volatile for the plasticizer and monomer. |
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