Main ingredient: abietic acid and Rosin acid anhydride。 Appearance: light yellow to yellow brown transparent block Character: It has special smell; and is insoluble in water; soluble in ethyl alcohol, diethyl ether, acetone, benzene, carbon disulfide, turpentine, oil, and aqueous alkali. Uses: Raw material of various phenolic aldehyde and resin coating; softening agent of regenerated rubber; widely applied in paper making, paint, medical, dyeing, coating and textile industry; with function of moisture proofing, preservative, insulation, emulsifying and adhesive. Packaging specification: galvanized sheet iron drum (225kg/drum), outer woven inner paper (40kg/bag) Storage and transportation: store in cool, dry and ventilated warehouse to keep it away from fire and heat source