Chemical Name
2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole
Formula
C22H29N3O
Structure
CAS NO.
25973-55-1
Molecular Weight
351.5
Specifications
Appreance
Purity
≥99%(HPLC)
Melting Point
79-87 oC
Ash
≤0.1%
Loss On Drying
≤0.5%
Transmittance
460 nm≥96% 500 nm≥97%
Advantage and
Application
- This product is a high efficient UV absorber, which can effectively absorb 270-340 nm UV light.
- The light stability is similar to UV-326 and UV-327, but this product 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.
Recommended
dosage
PS
PE
Polyester
PVC
PC
0.2-0.5%
0.2-0.4 %
0.3-0.5%
0.2-0.5 %
0.15-0.3%
Package
20KG cartons or drum
WSD CHEMICAL LIMITED
WSD chemical established in 2000,we are professional engaged in the research, development, production, sale and service of PVC additives. We are located in Shengzhou City,Zhejiang,China, near to Shanghai, Hangzhou ,Ningbo, YIwu .and have convenient transportation access.
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