UV-320 CAS 3846-71-7

Item Name:
UV Absorber UV-320

CAS No.: 3846-71-7

Appearance:
off white powder

Equal to: Tinuvin 320

Category:

Technical Specs of UV Absorber UV 320

Appearance off white powder
Melting Point 152-156℃
Ash ≤0.1%
Loss On Drying ≤0.3%
Purity ≥99%(HPLC)
Transmittance 460 nm≥97%   500 nm≥98%

Applications of UV Absorber UV 320

UV 320 is an efficient light stabilizer, strong UV absorption and low volatility. It can effectively protect polyester and organic pigments from ultraviolet radiation, thereby protecting the appearance of molded objects, films, fibers, etc. Tinuvin 320 is suitable for polyvinyl chloride, unsaturated polyester and other polymers.

Recommended dosage: polyester 0.3-0.5%, PVC 0.25-0.5%, unsaturated polyester  0.2-0.5%.

Package of UV Absorber UV-320

UV Absorber UV-320 is packed 20kg per fiber drum lined with plastic bag, stored in cool and dry place without direct sunlight.