Used in natural gum and a variety of synthetic gum. Flat and medium speed vulcanization can be produced, and the vulcanization temperature is higher. Not with the furnace carbon black sharing will not produce coke phenomenon. Safe operation, easy to disperse without pollution. Vulcanized rubber aging resistance, can be used for white or color rubber products, because of bitter taste, not suitable for food rubber products, can be used to manufacture tires, rubber hose, rubber shoes, rubber cloth and other general industrial products. DM can play the role of plasticizer or delay agent in neoprene adhesive.