Ultraviolet absorber UV-327
Chemical name: 2'-(2'-Hydroxy-3',5'-di-tert-butylophenyl)-5-chlorobenzotriazole
Molecular formula:C20H24N3OCL
Structural formula:
, 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).Specifications:
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Appearance:
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Light yellow powder
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Melting point:
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151οC
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Ash content:
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≤0.05%
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Volatile matter:
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≤0.5%
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Transmissirity:
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460nm≥97% 500nm≥98%
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Purity:
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≥99%
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