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Ultraviolet absorber UV-327

Chemical name: 2'-(2'-Hydroxy-3',5'-di-tert-butylophenyl)-5-chlorobenzotriazole
Molecular formula:C20H24N3OCL
Structural formula:

Properties and application:
light yellow powder, melting 151, UV max.UV-327 strongly absorb ultra-violet ray of 300-400nm, the chemicas stability is good, volatility is little, solubility, solubility for polymer is good, particularly, it is used for PE, PP, also application for poly(methanal).
Poly(methyl methacrytale), poly urethane and coatings.

Specifications:

Appearance:
Light yellow powder
Melting point:
151οC
Ash content:
≤0.05%
Volatile matter:
≤0.5%
Transmissirity:
460nm≥97% 500nm≥98%
Purity:
≥99%
 
Package: 25kg Carton

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