Amazon.com: Versimold, Versatile and Moldable Silicone Rubber, Perfect for DIY Fixes and Projects, Cord Fix Putty, Repair Putty, Hand Moldable Compound, Made in USA (Black) : Automotive
Pang Industiral Pang-It A&B Two-Part Chemical Cure Rubber for Repairing Tears and Gouges in Rubber Belting Material, Conveyors, Pully Lagging and Liners: Amazon.com: Industrial & Scientific
STEELMAN Rubber Cement in the Tire Repair Tools department at Lowes.com