Description: Gum Rosin is a natural organic compound, a yellowish solid vitreous product; Gum Rosin is resulting from the distillation of crude gum (oleo pine resin) most of them from Pinus merkusii; Gum Rosin is not soluble in water but it can easily dissolved in many organic solvents. Compositions: â?¢ Gum rosin is mainly a mixture of resin acids that are monocarboxylic diterpene acids. â?¢ The composition varies according to the species and geographical origin of the pine. â?¢ The chemical formula is C20H30O2. Packaging: Packing in galvanized iron drum Net wt. is 240 KG/drum Shape Block solid form