Synthetic Rubber Adhesive #1521: Rubber-based contact cement for flexible hold to bond rubber, plastic, vinyl, metal, leather, wood, ceramic etc. Sets up in 5-10 min. Waterproof. Super Glue #1742-B: Attains practical use strength in seconds. No evaporative elements and no shrinkage to weaken bonding. Excellent for nonporous materials. Super Glue Gel #1762-B: Has many of the same features as regular Super Glue. Special formulation bonds with porous surfaces such as leather. Won t run when applied.