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Rosin Resin SOR Series – SOR 422
Rosin resin SOR 422 ndi maleic acid resin, yomwe imadziwikanso kuti maleic acid resin youma. Ndi granular solid yokonzedwa ndi momwe rosin ndi maleic acid zimachitikira zomwe zasinthidwa powonjezera rosin ku maleic acid anhydride ndi esterification ndi glycerol kapena pentaerythritol.
