3M Scotch-Weld DP420 Off-White Epoxy Adhesive This toughened, off-white, two-part epoxy features a 2:1 mix ratio, 20 minute work life and reaches handling strength in 2 hours. medium viscosity that allows for easy dispensing. Bonds to a variety of materials such as, metals, ceramics, wood and some plastics. 3M? Scotch-Weld? Epoxy Adhesive DP420 has medium viscosity that allows for easy dispensing. Bonds to a variety of materials such as, metals, ceramics, wood and some plastics.
