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nature : also known as calcium fat. Rosin from the rosin acid and the shortage of white lime reaction generated saponification not contain some calcium rosin soap. Pure calcium neutral lipid-soluble vegetable oil is not easy, or difficult to dissolve in turpentine pine perfume, not for the rom paint, and almost transparent pale yellow solid. 130-145 ° C softening point. Acid value 65-75. Heating soluble tung oil or flax seed oil. Early system for coating, it is seldom used.
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