This product is one of the commonly used after-effect accelerators. Compared with thiazoles, it has strong coking resistance, short curing time, and can improve the fixed elongation stress of vulcanized rubber. Slight discoloration, no spray cream, vulcanized rubber has excellent aging resistance. Mainly used in the manufacture of tires, rubber hose, tape, rubber shoes, cables and so on. It should be used with zinc oxide and stearic acid, and the accelerator TMTD, TMTM, PZ, D or other basic accelerator as the second accelerator, and can also be activated by M and DM. The general dosage is 0.5-2 copies.