Sunny Chemi cal Corp.Ltd.
Polymer additives are added with small amounts to protect polymers performance by preventing loss of mechanical strength, cracking, crazing, yellowing, and loss of gloss due to day-to-day exposure to air and light.
UV absorber ( Benzotriazole)
UV-P : 2-(2-Hydroxy-5-methylphenyl)-Benzotriazole
CAS NO. 2440-22-4
Against Tinuvin P
UV-234 2-(2-Hydroxy-3,5-di-(a,a-dimethyl benyl) phenyl) benzotriazole
CAS NO 70321-86-7
Against Tinuvin 234
UV-320 2-(2-hydroxy-3,5-ditert-butyl)benzotriazole
CAS NO 3846-71-7
Against Tinuvin 320
UV-326 : 2-(2'-Hydroxy -3' -tert-butyl-5'-methylphenyl)-5-chloro benzotriazole
CAS NO. 3896-11-5
Against Tinuvin 326 (Ciba)
UV-327 : 2-(2'-Hydroxy -3' ,5'-ditert-butylphenyl)-5-chloro benzotriazole
CAS NO. 3864-99-1
Against Tinuvin 327
UV-328 : 2-(2'-Hydroxy -3' ,5'-ditert-butylphenyl)- benzotriazole
CAS NO. 25973-55-1
Against Tinuvin 328
UV-329 : 2-(2'-hydroxy-5'-tert-octyllphenyl)benzotriazole
CAS NO. 3147-75-9
Against Tinuvin 5411 (Ciba)
UV-360 2,2'-Methylene bis-(4-t-octyl-6-(benzotrilazolyl)-phenol)
CAS NO. 103597-45-1
Against Tinuvin 360 (Ciba)
UV-571 2-(2H-Benzotriazol-2-yl)-6-dodecyl-4-methyl phenol, branched and linear
CAS NO 125304-04-3
Against Tinuvin 571


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