PREMA Products radial vulcanizing tire repair units are tested under extreme conditions in laboratories and field tests to assure consistent quality at the highest possible levels. Our production is based in modern facilities according to PREMA Products, Inc. formulations and specifications to ensure a consistent and high quality result every time. The PREMATACK Tire Repair System combines a unique, soft, high-tack bonding cushion gum with Ultra Fast Dry Vulcanizing Cement. Repairs can be completed faster in both hot and cold cure applications, saving PREMA customers time and money! For permanent and best results, always use PFC-8 or PFC-32 PREMA Ultra Fast Dry Vulcanizing Cement.