GUM ROSIN Our products have been sold all over the world gum rosinPropertied:This product natural themoplastic resin with speacial physical and chemical properties,composed of several kinds of resin acids.~Obtained from crude pine gunStandard:GB/T 8145/8146-2003SpecificationsItemXWWWGNM Colorslight yellowpale yellowyellowdeep yellowyellow brown Correspond to the standard glass color piece of ...
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