Substrates: Installation and bonding of SMC, fiberglass and primed metals Applications: Plastic body panels, spoilers and ground effects E Resistant to extreme temperatures E High-strength structural adhesive bonds plastic to primed metal E Slow set formula allows an extended open time for large applications, yet can be heat cured for fast completion of projects Lord Fusor 127EZ Plastic Structural Installation Adhesive (Slow-Set), 7. 1 oz. by National Tool Warehouse.