UV-327(Benzotriazole UV Absorber )
Chemical name : 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole
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.
Molecular formula: C17H18N3OCl
CAS NO : 3864-99-1
Molecular Weight : 357.9 Appearance : slight yellow powder
Melting Range : 154-157 °C
Transmittance (%) : 460nm≥95 500nm≥98
1. Unsaturated Polyester : 0.2-0.5wt% based on polymer weight
2.PVC: Rigid PVC : 0.2-0.5wt% based on polymer weight
Plasticized PVC : 0.1-0.3wt% based on polymer weight
3.Polyurethane : 0.2-1.0wt% based on polymer weight
4.Polyamide : 0.2-0.5wt% based on polymer weight
Packing:UV-327 is available in powder form in a 25 kg fiber drum or 25kg carton with an inner PE liner.
Dalian Richfortune Chemicals Co., Ltd. Is an international manufacture and supplyer in China, specializing in R&D, contract/custom manufacturing and exporting various chemicals worldwide With years of dedicated in Inorganic Chemicals, Fluorescent Brightening Agent(FBA), Intermediates, Inhibitor Agent, Ultraviolet Absorbent Agent, Antioxidant, Food Additives, pharmaceutical and specialty chemicals etc. Richfortunechem grows fast and had won sound reputation among customers world-wide, Confidently Richfortunechem will become a leading trustworthy source in above-mentioned fields. Richfortunechem owns quality control center with advanced organic synthesis apparatus such as glass reactors with low and high temperature control, high pressure reactors, short path thin film evaporator etc. a.....more>>