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CAS：21615-49-6
Purity：/
Molecular Formula：C22H29N3O
Molecular Weight：351.49
EINECS：247-384-8
Période de stockage：de stockage sous Scellés
Synonyms: ULTRAVIOLETABSORBERUV-328;TINUVIN328;2-(2′-HYDROXY-3′,5′-DI-TERTAMYLPHENYL)BENZOTRIALE;2-(2-HYDROXY-3,5-DI-TERT-AMYLPHENYL)BENZOTRIAZOLE;2(2′-HYDROXY-3′,5′-DI-TERT-AMYLPHENYL)BENZOTRIAZOLE;4,6-Di-tert-amyl-2-(5-chloro-2H-benzotriazol-2-yl)-phenol;2-(2-Hydroxy-3,5-diamylphenyl)benzotriazole
UV-328 is an ultraviolet light absorber (UVA) of the hydroxyphenylbenzotriazole class, which imparts outstanding light stability to plastics and other organic substrates.
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.
| ARTICLE | STANDARD | |
| Apparence | light yellowish powder or pellet | |
| Point De Fusion (°C) | 81 min | |
| Ash (%) | 0.05 max | |
| Volatile matter (%) | 0,5 max | |
| La Transmittance | 440 nm (%) | 97 min |
| 500 nm (%) | 98 min | |
| Dosage (%) | 99.0 min | |
In 15/20/25/500kg bags/cartons on pallet or fiber drum
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