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Rosin Resin SOR Urukurikirane - SOR 422
Rosin resin SOR 422 ni resin ya acide ya kigabo, izwi kandi nka aside irike yumubiri.Nibintu bikomeye bya granular byateguwe nigisubizo cya rosine na acide ya manic yahinduwe hongerwaho rosine kuri acide ya manicide anhydride na esterification hamwe na glycerol cyangwa pentaerythritol.
