Ordinary Discount UV 328 CAS No: 21615-49-6
With dependable high-quality method, fantastic standing and ideal purchaser assistance, the series of products produced by our firm are exported to many countries and regions for Ordinary Discount UV 328 CAS No: 21615-49-6, Top quality is factory’ existence , Focus on customer’ demand may be the source of enterprise survival and advancement, We adhere to honesty and good faith working attitude, seeking forward to the coming !
With dependable high-quality method, fantastic standing and ideal purchaser assistance, the series of products produced by our firm are exported to many countries and regions for Uv-328 and Ultraviolet Absorber, Taking the core concept of “to be the Responsible”. We’ll redound up on society for high quality products and good service. We will initiative to participate in international competition to be a first- class manufacturer of this product in the world.
UV-328 is an ultraviolet light absorber (UVA) of the hydroxyphenylbenzotriazole class, which imparts outstanding light stability to plastics and other organic substrates.
| ITEM | STANDARD | |
| Appearance | light yellowish powder or pellet | |
| Melting Point (°C) | 81 min | |
| Ash (%) | 0.05 max | |
| Volatile matter (%) | 0.5 max | |
| Transmittance | 440 nm (%) | 97 min |
| 500 nm (%) | 98 min | |
| Assay (%) | 99.0 min | |
UV-328 is a highly effective light stabilizer for a variety of plastics and other organic substrates. Its use is recommended for the stabilization of styrene homo- and copolymers, acrylic polymers, unsaturated polyesters, polyvinylchloride, polyolefins, polyurethanes, polyacetals, polyvinyl butyral, elastomers, and adhesives.
In 15/20/25/500kg bags/cartons on pallet or fiber drum
With dependable high-quality method, fantastic standing and ideal purchaser assistance, the series of products produced by our firm are exported to many countries and regions for Ordinary Discount UV 328 CAS No: 21615-49-6 , Top quality is factory’ existence , Focus on customer’ demand may be the source of enterprise survival and advancement, We adhere to honesty and good faith working attitude, seeking forward to the coming !
Ordinary Discount Uv-328 and Ultraviolet Absorber, Taking the core concept of “to be the Responsible”. We’ll redound up on society for high quality products and good service. We will initiative to participate in international competition to be a first- class manufacturer of this product in the world.
