Ultra-Violet Absorber UV-326 (contact: Allen)

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Ultra-Violet Absorber UV-326 (contact: Allen)
Posting date : Feb 14, 2011
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38-
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I. Chemical name 2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chloro benzotriazole II. Introduction UV-326 is a benzotriazole type UV absorber. It offers superior light protection of polyolefin substracts against the deterioration of UV radiation, It is also efficient for the light stabilization of polyvinyl chloride, unsaturated polyurethane, styrenic polymers, coatings and lacquers. III\Molecular Formula: C17H18N3OCL IV\ Molecular Weight: 315.5 V\ CAS NO: 3896-11-5 VII. The sale code name: PS-326 VIII\ Physical properties Appearance: Slightly yellow powder Assay: ≥ 99% Melting point: 137-141 cerius degree Loss on drying: ≤ 0.5% Ash: ≤ 0.1% Transmittance: 460nm≥ 95% 500nm≥ 96% IX\ Storage and transportation: The chemical stability is good. It can be stored and transported according to the general chemical matter regulation. X\Packae: Net 25kg bags with inner plastic bag.

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