J-B Weld Original Cold-Weld™ Epoxy provides strong lasting repairs for metal, plastic, pvc, wood, fibreglass and ceramics. This original formula is known throughout the automotive industry as the Original Cold-Weld™. Cures consistently, no shrinkage/foaming. It can be sanded, drilled or tapped once set. Resistant to water, chemicals and heat. Great for: household repairs, automotive, plumbing, marine, crafts, brick, concrete and fibreglass. Specifications: Bonding Strength: 5,020 PSI.Set Time: 4-6 Hours.Cure Time: 15-24 Hours.Colour When Dry: Dark Grey.