3M(TM) Scotch-Weld(TM) Hot Melt Adhesive 3748-B Off-White, Pellet, 22 lb per case A 100 percent solids thermoplastic resin. Good thermal and electrical properties. Non-corrosive to copper. Can bond polypropylene and polyethylene. Bulk adhesives in pellet form. 1 pallet minimum (1100 lbs.)