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Uthotho lweRosin Resin SOR – SOR 422
I-Rosin resin SOR 422 yi-maleic acid resin, ekwaziwa ngokuba yi-maleic acid resin eyomileyo. Yinto eqinileyo equlunqwe ngokusabela kwe-rosin kunye ne-maleic acid eguqulweyo ngokongeza i-rosin kwi-maleic acid anhydride kunye ne-esterification nge-glycerol okanye i-pentaerythritol.
