Specification

Appearance           Yellow needle crystalline powder

Content             ≥99%

Melting point          47-49℃

Ash               ＜0.1%

Volatile                ＜0.5%

Transmittance         450nm≥90% 500nm≥95%

Storage and packaging

UV-531 Non-toxic, non-flammable, non-explosive, non-corrosive, good storage stability. Paper box lined with plastic bag, net weight 25kg / box, designed according to customer requirements.

application

UV Absorbent UV-531 is a high-performance anti-aging agent; an absorb 240-320nm ultraviolet radiation; It can protect polymers, and widely used in PE, PVC, PP, PS, PC, organic glass, acrylic acid, auto powder coatings, polyurethane and rubber products. Use level: 0.1%-0.5%.