1,Gum rosin use in ink, adhesive, paint, food and rubber industry 2,gum rosin name colophony 3,ISO9001:2008 CERTIFICATE GENERAL DESCRIPTION & APPLICATIONS At present, most rosin product is used for the manufacturing of paper, paint, soap and printing ink. Since rosin is easily softened and oxidized, in the oil paint industry, the carboxylation reaction of resin acid is usually employed to produce ...