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| CSFC 327 |
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| 2-(5-Chlro-2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl-phenol |
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| 3864-99-1 |
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It is an highly efficient UV absorbent to be used in polystyrene, polyester, polycarbonate, PVC, polyethyene, ABS resin, epoxy resin and cellulose resin. It almost absorb no visible light, being especially fit for colorless transparent and pale colored products.
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Molecular Formula : C20H24CIN3O
Molecular Weight : 357.8
Slightly yellowish powder
Melting point : 156-158℃
Volatile content : 0.3% max
Ash content : 0.1% max.
Light transmittance (%) : 460nm 97min, 500nm 98min
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