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Rosin Resin SOR Series – SOR 424
Rosin resin SOR 424 iresini yakagadziriswa ine ruvara rwakareruka uye yakagadzikana, yakavakirwa parosin ne unsaturated polyacid sezvinhu zvakakosha zvekugadzira. Rosin ne maleic anhydride yekuwedzera reaction uye esterification ye pentaerythritol, uye yakagadzirwa nekunatswa, kubvisa ruvara, kugadzirisa uye mamwe maitiro. Varnish inogadzirwa nayo ine zvakanakira zvekupenya kwakanyanya, kuomarara kwakanyanya uye kunamira kwakasimba.
