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Rosin Resin SOR Series - SOR 424
Rosin resin SOR 424 ndi utomoni wopepuka komanso wosasunthika, womwe umachokera ku rosin ndi unsaturated polyacid monga zida zoyambira.Rosin ndi maleic anhydride powonjezera zochita ndi esterification ya pentaerythritol, ndikupangidwa ndi kuyenga, decolorization, kusinthidwa ndi njira zina.Varnish yopangidwa ndi iyo imakhala ndi ubwino wowala kwambiri, kuuma kwakukulu ndi kumamatira mwamphamvu.
