Molecular formula: C22H29N3O
Specifications:
Appearance: Light yellow powder
Melting point: 81℃ min
Volatile matter: 0.5% max
Ash: 0.05% max
Transmittance(460nm): 97% min
Transmittance(500nm): 98% min
Assay: 99% min
Applications:
UV absorber 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
Packing: 20kg B/G type