3M(TM) Scotch-Weld(TM) Hot Melt Adhesive 3776 LM PG Tan, 1 in x 3 in, 22 lb per case Used for bonding light gauge metal, primed on unprimed metal to various substraits and themselves. It offers good heat resistance and medium bonding range time. Designed to be applied at a temperature of 265 F/129 C using 3M(TM) Polygun(TM) adhesive applicators designed for 3M(TM) low melt adhesives. (EC setting #1).