3M Scotch-Weld Epoxy Adhesive DP100 Plus LH Clear is a fast setting, two-part, 1:1 mix ratio mercaptan-cured epoxy adhesive. It is unique among fast setting mercaptan cure epoxies in that it combines high shear strength with good peel performance properties. Scotch-Weld DP100 Plus LH Clear is transparent and slightly flexible when cured.