GoyenchemUV-350 UV Absorber CAS No.36437-37-3
GoyenchemUV-350 light stabilizer is a unique photostabilizer that is effective in a variety of polymeric systems, particularly in polyesters, polyvinyl chlorides, styrenics, acrylics, polycarbonates, and polyvinyl butyal.
Description
Chemical Name:2-(2’-hydroxy-3’-s-butyl-5’-t-butyl-phenyl)benzotriazole
CAS No.: 36437-37-3
Molecular Weight: 323.432
| Grade | GoyenchemUV-350 |
| Appearance | Slightly yellowish powder or granule |
| Melting point | 83-87°C |
| Solubility (30% ethyl acetate) | Clear without residue |
| Turbidity of solution (30% in ethylacetate) | 5NTU max |
| Color of solution (2g/20ml ethylacetate)(Transmission) | 440nm 95.0% min
460nm 97.0% min 500nm 98.0% min |
| Loss on drying | 0.5% max |
| Assay (by GC) | 99.0% min |
| Heavy metal content | 10ppm max |
| Ash | 0.1% max |
Applications
GoyenchemUV-350 light stabilizer is a unique photostabilizer that is effective in a variety of polymeric systems, particularly in polyesters, polyvinyl chlorides, styrenics, acrylics, polycarbonates, and polyvinyl butyal.
GoyenchemUV-350 light stabilizer is especially noted for its broad range UV absorption, low color, low volatility, and excellent solubility.
Typical end-uses include molding, sheet, and glazing materials for window lighting, sign, marine and auto applications.
Specialty applications for GoyenchemUV-350 light stabilizer include coatings (particularly thermosets where low volatility is a concern), photo products, sealants, and elastomeric materials.
Package
25 kg bag
Storage
please keep it in seal container and keep in dry place, and please avoid sunshine.
