MOQ | 100 KG |
Port | SHANGHAI PORT |
Packaging | 25kg/carton |
Lead Time | 1 week |
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
Transmittance 460nm≥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. info at hhochem.com
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