Nurcasorb UV-328

  • Description

UV-328 is a UV absorbent for the UV between 270 nm and 380 nm. It is a high effective light stabilizer for a variety of plastics and other organic substrates. It is recommended as the stabilization of styrene home and copolymers,  acrylic polymers, unsaturated polyesters, PVC, polyolefins, polyruethanes polyacetals, polyvinylbutyral, elastomers and adhesives. The product can be used alone or in combination with other additives such as HALS, antioxidants  and other functional stabilizers and additives. The use levels of UV-328 range between 0.10-1.0%, depending on substrate and performance requirements of the final application

PACKAGE: 25kg fiber drum

CHEMICAL NAME:2-(2’-Hydroxy-3’,5’-Di-tert-pentylphenyl) Benzotriazole
CAS NO.:25973-55-1
Equivalent:Tinuvin 328 (Ciba SC) / Cyasorb UV-2337 (Cytec)
Appearance :Light yellow powder
Purity (%)99 min.
Light transmittance (%)
440 nm:97min.
500 nm:98 min.
Volatile(%)0.5 max.
Melting point(℃):81 min.
Ash Content (%):0.05 max.