Features: 1) The chemical system has the function of resorcin, methanal and carbon white for rubber industry 2) Rubber Adhesive A, RA (HMMM) is the methanal donator, and gives off methanal upon heating, and it should be cooperated with RS, RH, or RE together RS, RH and RE are also good methanal acceptor 3) RC and AS-88 (our patent technology) is synthesize of resorcin and methanal, and can use solely without cooperation with other rubber adhesives 4) It can also reduce the cost of rubber industry besides its superior effect 5) Packing: according to the specifications 6) Storage: keep in dry, cool and ventilated place, prevented from fire, heat and moisture