Gum rosin also named greek pitch or colophony, it is a kind of natural resin that are mainly composed of various kinds of resin acids, it can be dissolved easily in many organic solvents, and has special chemical activity, it can be esterified and neutralized with carboxyl, and reacted by double-bond, disproportionated, hydrogenated and polymerized to optimize its physicochemical property. Gum rosin can be widely used in manufactures of paper, coatings, inks, rubbers, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.
Origin : Indonesia Color by lovibond comparator : WW Softening point ring and ball : 78C (min) Impurity / Solubility in Toluen : 0.05% (max) Acid Value : 160 â 190 Saponification value : 170 â 22 0 Iodine value : 5 â 25 Ash content : 0.04 % (max) Volatile oil content : 2 % (max)
Supplier: Natural Gum Rosin Ww Grade Pine Resin
Gum rosin ww grade
Gum rosin Indonesia origin gum rosin ww grade Galvanized iron drum
Supplier: Oleo pine resin, gum rosin ww grade, gum rosin x grade, gum turpentine oil
Buyer: Oleo pine resin
Supplier: Clove, clove stem, nutmeg, clove oil, nutmeg oil, patchouli oil, gum rosin WW grade, WG grade
Supplier: Gum rosin in WG, WW and X grade
Services: trade
Buyer: Car parts
Gum Opoponax -Grade 1
Gum Opoponax Grade 1- Kenya Origin
