3M™ Scotch-Weld™ epoxy adhesive DP420 maintains bond strength at high and low temperatures and can withstand paint bake operations up to 400 deg F for 60 min. It works well on a variety of substrates such as metals, ceramics, wood, glass, many composites and plastics and is an excellent indoor bonding agent for joining, gluing, potting, panel bonding and structural bonding. 3M™ Scotch-Weld™ epoxy adhesive DP420 Off-White meets the requirements for UL 94 HB.