High Quality Gum Rosin /Colophony /Colophonium

  Origin South Africa Product Description 1. Gum Rosin WW Grade High Quality Gum Rosin /Colophony /Colophonium 2. Properties and uses: It is a kind of natural resin, mainly composed of various kinds of resin acids, it can be dissolved easily in many organic solvents, and has special chemical activity. So it is an important raw material for the production of paper, coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc. 3. Packing: Drum: Galvanized iron drum, 225kg net each drum. Category Product Type Appearance Color, Gardner grade Softening point (R&B), °C Acid Value(mgKOH/g) Alcohol insoluble substance (%) Unsaponifiable matter (%) Ash (%) Gum Rosin / Refined Gum Rosin Grade X Transparent solid Slightly yellow ≥ 76 ≥166 ≤ 0.03 ≤ 5 ≤ 0.02 Grade WW Transparent solid Pale yellow ≥ 76 ≥166 ≤ 0.03 ≤ 5 ≤ 0.02 Grade WG Transparent solid Yellow ≥ 75 ≥ 165 ≤ 0.03 ≤ 5 ≤ 0.03 Grade N Transparent solid Deep yellow ≥ 75 ≥ 165 ≤ 0.03 ≤ 5 ≤ 0.03 Grade M Transparent solid Yellow brown ≥ 74 ≥ 164 ≤ 0.04 ≤ 6 ≤ 0.04 Grade K Transparent solid Yellow red ≥ 74 ≥ 164 ≤ 0.04 ≤ 6 ≤ 0.04 Refined Gum Rosin LGR-2 Transparent solid Gardner grade 2max ≥ 76 ≥ 165 ≤ 0.03 ≤ 5 ≤ 0.008 Refined Gum Rosin LGR-3 Transparent solid Gardner grade 3max ≥ 76 ≥ 165 ≤ 0.03    Packaging Standard or Per Customer Requirement    Delivery lead time 5 to 18 days    Supply ability 1000 Tons Per Month