Ultra-Violet Absorber UV-327 (contact: Allen)

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Ultra-Violet Absorber UV-327 (contact: Allen)
Posting date : Feb 14, 2011
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38-
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I. Chemical name 2-(2'-Hydroxy-3', 5'-di-tert-butylphenyl)-5-chlorobenzotriazole II. Introduction UV-327 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-327 is recommended in a variety of polymers and organic substrates, including acrylic polymers, polycarbonate, polyesters, styrene homo- and copolymers, unsaturated polyesters, polyvinyl chloride, polyolefins, polyvinyl butyral, elastomers, and adhesives. III\Molecular Formula: C20H24N3OCL IV\ Molecular Weight: 357.9 V\ CAS NO: 3864-99-1 VII. The sale code name: PS-327 VIII\ Physical properties Appearance: Slightly yellow powder Assay: ≥ 99% Melting point: 154-157 celcius degree Loss on drying: ≤ 0.5% Ash: ≤ 0.1% Transmittance: 460nm≥ 95% 500nm≥ 97% 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 carton with inner plastic bag.

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