CEMENT VULC FLUID 175GM (DG) REMA TIP TOP Vulcanising Compounds are uniquely designed for cosmetic repair to tire and conveyor-belt surfaces. (Not for use where cord damage exists.) these materials chemically cure (at room temperature) producing a durable, permanent repair. Vulcanising compounds are limited to bead repair of truck/OTR tires or sidewall repair of OTR tires only. CFC-free formula requires shorter drying times.