Rubber Aging Inhibitor RD(TMQ) Appearance:anber half ball particle Cas No:26780-96- ... )n n=3-4 (1)Product Name: Rubber Aging Inhibitor RD(TMQ)(2)Chemical Name: 2,2, 4- trimethyl-1,2 ... Standard, First grade according to international standard. Rubber Aging Inhibitor RD(TMQ)