Gum Rosin

Gum Rosin Molecular weight: 272 CAS code: 8050-09-07 H.S code: 38061010 Origin: China Usage: paper-making, oil painting, soap, and print ink Packing: 225kg Galvanized iron-drums 1. Gum resin x grade and ww garde Color: slight yellow for x grade, light yellow for ww grade Appearance: transparent Softening point(R&B) > 76 Acid Value (mg KOH/g) > 166 Unsaponifiable matter content% < 5% Insolubies in ethanol < 0.03 Ash content < 0.02 2. Gum resin wg grade and n garde Color: yellow for wg grade, deep yellow for m grade Appearance: transparent Softening point(R&B) > 75 Acid Value (mg KOH/g) > 165 Unsaponifiable matter content% < 5% Insolubies in ethanol < 0.03 Ash content < 0.05 3. Gum resin m grade and k garde Color: yellow-brown for wg grade, yellow-red for m grade Appearance: transparent Softening point(R&B) > 74 Acid Value (mg KOH/g) > 164 Unsaponifiable matter content % < 6% Insolubies in ethanol < 0.04 Ash content < 0.04 We are also offering Hydrogenated Rosin, Polymerized Rosin, Rosin Glycerol Resin, Ester Gum, etc, if you are interested in them, kindly let us know, we here assure you that any inquiry from you will receive our prompt attention

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