UV Absorber UV-T CAS NO.: 27503-81-7

Tshuaj npe2-Phenylbenzimidazole-5-sulfonic acid;2-phenyl-1h-benzo[d]imidazole-5-sulfonic acid;UV absorber-T;2-phenyl-1H-benzimidazole-6-sulfonic acid;2-phenyl-1H-benzimidazole-6-sulfonate

CAS Nr .:27503-81-7

Qauv qauv:

Specification:

Cov tsos mob: dawb los yog hom dawb crystallization hmoov

Cov ntsiab lus: ≥ 98.0%

Melting point:> 300 ºC

Qhov hnyav qhuav: ≤ 1%

Kev siv:Qhov no yog ib qho tshiab ultraviolet ray absorbent, Nws muaj peev xwm nqus tau 920 ~ 990, Thaum lub uvradiation li 302 nmwave ntev.Nws muaj peev xwm absorbing yog 3 zaug dua, dav dav ultraviolet absorbents.Nws yog maily siv nyob rau hauv cov tshuaj pleev ib ce thiab dej xim.

Qhov ntau npaum hauv cov tshuaj pleev ib ce: 1.5% ~ 2%, Hauv txheej 4% ~ 6%.

Packing thiab Cia:

Pob: 25KG / BARREL

Cia: ruaj khov hauv cov cuab yeej, khaws qhov cua thiab kom deb ntawm dej thiab kub siab