UV Absorber UV-P

UV Absorber UV-P
Chemical Name	2-(2′-hydroxy-5′-methylphenyl)benzotriazole
Molecular Formula	C₁₃H₁₁N₃O
CAS NO.	2440-22-4
Structural Formula
Main Indicators	Appearance: white to pale yellow powder Content: ≥99% Melting point: 128–132 °C Ash content: <0.2% Light transmittance: 440 nm >97%, 550 nm >98%
Characteristics and Uses	This product is a highly efficient UV absorber that can effectively absorb ultraviolet light of 290–400 nm. It is mainly used in polyvinyl chloride, polypropylene, unsaturated resin, polycarbonate, polymethyl methacrylate, polyethylene, ABS resin, epoxy resin, fiber resin, etc. This product hardly absorbs visible light and is especially suitable for colorless transparent and colored products. The general dosage is 0.1–0.5% in thin articles and 0.05–0.2% in thick articles. This product is permitted for use in plastic products that contact food.
Storage, Transportation and Packaging	UV Absorber UV-P is non-toxic, non-flammable, non-explosive, non-corrosive, and has good storage stability. It is packed in fiber drums with inner plastic bags, with net weights of 25 kg and 50 kg, and can also be designed according to customer requirements.

Last Updated: 2013-01-05

Certifications

National High-Tech Enterprise
Vice Chairman Unit, China Plastics Processing Industry Association (CPPIA)
Vice Chairman Unit, Agricultural Plastics Branch, China Agricultural Plastics Application Technology Society
Member, Ageing Methods Subcommittee, National Technical Committee on Plastics (SAC/TC15/CS5)
Member, Society of the Plastics Industry (SPI), USA