-
Uchungechunge lwe-Rosin Resin SOR – SOR 422
I-Rosin resin SOR 422 iyi-resin ye-maleic acid, eyaziwa nangokuthi i-maleic acid resin eyomile. Iyi-granular solid elungiselelwe ngokuphendula kwe-rosin ne-maleic acid eguquliwe ngokungeza i-rosin ku-maleic acid anhydride kanye ne-esterification nge-glycerol noma i-pentaerythritol.
