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Rosin Resin SOR Series – SOR 424
Rosin resin SOR 424 ndi resin yosinthika yowala komanso yokhazikika, yomwe imachokera ku rosin ndi polyacid yosakhuta ngati zinthu zoyambira zopangira. Rosin ndi maleic anhydride yowonjezerapo kuti igwire ntchito komanso ipange pentaerythritol, ndipo imapangidwa mwa kuyeretsa, kuchotsa utoto, kusintha ndi njira zina. Varnish yomwe imapangidwa nayo ili ndi ubwino wa kuwala kwambiri, kuuma kwambiri komanso kumamatira mwamphamvu.
