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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 ipangitse kuti pentaerythritol igwire ntchito komanso ipangidwe, 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.
