| Classification: | Chemical Auxiliary Agent |
|---|---|
| Brand Name: | UV 328 |
| Usage: | Petroleum Additives,Plastic Auxiliary Agents,Rubber Auxiliary Agents |
| Type: | UV ABSORBER |
| CAS No.: | 25973-55-1 |
| Classification: | PLASTIC ADDITIVES |
| Model Number: | UV 328 |
| Place of Origin: | China (Mainland) |
| Other Names: | Tinuvin 328,Cyasorb UV-2337,UV Absorber 328,Benzotriazole UV 328,BHSOR |
Quick Details
Specifications
Chemical name: 2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole
CAS No.:25973-55-1
Molecular formula:C22H29N3O
Molecular weight:351.5
Appearance: Slightly yellow powder
Assay (HPLC), %: ≥ 99
Melting point,℃:80-88 Ash, %: ≤0.1
Loss on drying, %: ≤ 0.5 Transmittance460nm≥96%
500nm≥97%
UV ABSORBER HOSORB-328 is a benzotriazole UV absorber with strong absorption of ultraviolet radiation in the 300-400nm region. It offers excellent light stability to organic substance, good compatibility and outstanding solubility in plastics. It is used in the light stabilization of a wide range of plastics, including polyolefins, polyurethanes, PVC, acrylics, styrenic polymers, unsaturated polyesters, and others. It is also useful in the light stabilization of adhesives and solvent-based coatings.
CAS No.:25973-55-1
Molecular formula:C22H29N3O
Molecular weight:351.5
Appearance: Slightly yellow powder
Assay (HPLC), %: ≥ 99
Melting point,℃:80-88 Ash, %: ≤0.1
Loss on drying, %: ≤ 0.5 Transmittance460nm≥96%
500nm≥97%
UV ABSORBER HOSORB-328 is a benzotriazole UV absorber with strong absorption of ultraviolet radiation in the 300-400nm region. It offers excellent light stability to organic substance, good compatibility and outstanding solubility in plastics. It is used in the light stabilization of a wide range of plastics, including polyolefins, polyurethanes, PVC, acrylics, styrenic polymers, unsaturated polyesters, and others. It is also useful in the light stabilization of adhesives and solvent-based coatings.