2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentylphenol;Tinuvin 328;Primesorb328;UV-328

Introduction：

CAS NO.25973-55-1

Molecular Formula :C₂₂H₂₉N₃O

Structure:

Appreance:Yellowish powder or cylindrical granule

Melting Point:79-87 ^oC

Assay:≥99.0%

Transmittance: 460 nm≥96%   500 nm≥97%
Package:20kg fibre drum or 20kg carton 

UV-328 is a high efficient UV absorber, which can effectively absorb 270-340 nm UV light,has good dissolubility with the resins. Its heat volatility is low and its durability to washing is very good.This product is suitable for polyolefin (especially PE), polyester, styrene polymers, polyamide, PMMA, PC, elastomers, etc.