Source：en.sujiaopeise.cn Released in：2019-03-05 14:46:16 Hits： 533

UV absorber UV-531 Chemical name: 2-hydroxy-4-n-octyloxybenzophenone Chemical formula: C21H26O3 CAS No.: 1843-05-6 Structure: Main indicators: Appearance: light yellow needle powder Content: 99% Melting point: 46-49 ° C Ash: 0.1% Light transmittance: 450nm and 90% 500nm and 95% Solubility (25 ° C) (g / 100g Solve NT) Acetone: 74 benzene, 72 Methanol: 2 ethanol (95%): 2.6 N-heptane: 40 Hexane: 40.1 Features and uses: This product is a kind of light stabilizer with excellent performance. It can absorb ultraviolet light with wavelength of 240~340 nm. It has light color, non-toxicity, good compatibility, low fluidity and easy processing. It can protect polymer to the utmost. . Helps reduce color. It also delays the loss of yellowing and barrier function. Widely used in PE, PVC, PP, PS, PC plexiglass, polypropylene fiber, ethylene - vinyl acetate and so on. Good light stability to phenolic, ethanol varnish, polyurethane, acrylate, etc. , expoxnamee, etc. The amount is from 0.1% to 0.5%. Storage and packaging: This product is non-toxic, flammable, non-perishable, and has good stability. It is packed in cardboard drum lined with plastic bags. The net capacity of each bag is 20 kg, or according to customer requirements.   发

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