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Rosin Resin SOR Series - SOR 422
Rosin resin SOR 422 ndi utomoni wa maleic acid, womwe umadziwikanso kuti dehydrated maleic acid resin. Ndi granular cholimba chokonzedwa ndi momwe rosin ndi maleic acid amasinthidwa powonjezera rosin ku maleic acid anhydride ndi esterification ndi glycerol kapena pentaerythritol.
