UV Absorber UV-234 CAS TSIS MUAJ.: 70321-86-7
| Tshuaj lom neeg npe | 2- (2H-Benzotriazol-2-YL) -4,6-bis (1-methyl-1-phenyylethyl) Phenol |
| Molecular Cov Qauv | C30H29N3O |
| Cas tsis muaj. | 70321-86-7 |
Tshuaj Yeeb Nkab Qauv
Kev ntsuas kev
| Kev tshwm sim | lub teeb daj hmoov |
| Melting taw tes | 137.0-141.0 ℃ |
| Txhos | ≤ 0.05% |
| Kev coj dawb huv | ≥99% |
| Teeb kev hloov pauv | 460 tn97%; 500nm ed98% |
Kev siv
Cov khoom no yog qhov hnyav molecular hnyav UV absorber ntawm hydroxyriazole chav kawm, qhia tau zoo heev lub teeb ruaj khov rau ntau lub polymers thaum siv.
It is highly effective for polymers usually processed at high temperatures such as polycarbonate, polyesters, polyacetal, polyamides, polyphenylene sulfide, polyphenylene oxide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers, where loss of UVA is not tolerated as well as for polyvinylchloride, styrene Homo- thiab copolymers.
Ntim thiab Ntim
Pob: 25kg / thawv
Cia: ruaj khov nyob rau hauv cov cuab yeej, kom qhov cua thiab deb ntawm dej thiab kub.
Sau koj cov lus ntawm no thiab xa mus rau peb