Automatic mixing and metering. SMC/FRP Repair - 4 has a longer work time than 3M™ SMC/Fiberglass Repair Adhesive, part number 08243.
SMC/FRP Repair-4 work time is 4 minutes. Handling time is 30 minutes. Cure time is 2 hours. There are two recommended applicator guns. They are the manual applicator 08117 or the pneumatic applicator 09930.