Source：en.sujiaopeise.cn Released in：2019-03-05 14:46:16 Hits：
UV absorber UV-531
Chemical name: 2-hydroxy-4-n-octyloxybenzophenone
Chemical formula: C21H26O3
CAS No.: 1843-05-6
Main indicators: Appearance: light yellow needle powder
Melting point: 46-49 ° C
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
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.