... abstracted from the residual oil which the boiling point above 450aa. Its boiling point is high, belongs Microcrystalline WaxIntroductionMicrocrystalline wax ... from the residual oil which the boiling point above 450°C. Its boiling point is high, belongs to amorphous ... tenacity, microcrystalline wax is widely used in the industry of moistureproof, lustering, moulding, rubber, medicine, cosmetics, ...