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Rosin resin sor sor series - sor 424
Rosin resin sor 424 yog lub teeb pom kev zoo thiab ruaj khov hloov pauv, uas yog raws li Rosin thiab unsaturated polyacid ua cov ntaub ntawv tseem ceeb. Rosin thiab txiv neej anhydride ntxiv rau cov tshuaj tiv thaiv thiab kev xav tau ntawm pentaquathritol, thiab tsim los ntawm kev ua kom zoo, decolorization, kev hloov kho thiab lwm yam kev ua. Cov kua roj varnish tsim los ntawm nws muaj qhov zoo ntawm cov ci ci siab, siab hardness thiab muaj zog adhesion.
