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Usoro Rosin Resin SOR – SOR 424
Rosin resin SOR 424 bụ resin na-acha ọkụ na nke kwụsiri ike, nke dabere na rosin na polyacid na-enweghị isi dị ka akụrụngwa akụrụngwa. Rosin na maleic anhydride maka mgbakwunye mmeghachi omume na esterification nke pentaerythritol, na mepụtara site nchacha, decolorization, mgbanwe na usoro ndị ọzọ. varnish na-emepụta ya nwere uru nke nchapụta dị elu, ike siri ike na nrapado siri ike.
