3M Scotch-Weld epoxy potting compound/adhesive DP270 (or 3M Scotch-Weld epoxy potting compound/adhesive 270 B/A) is a two-part, low viscosity epoxy resin system designed primarily for potting, sealing and encapsulation of many electronic components and is available in clear or black. Scotch-Weld epoxy potting compound/adhesive DP270 is noncorrosive to copper and offers good thermal shock resistance and excellent retention of electrical insulation properties under high humidity conditions. - This product produces no exotherm in 5 - 10g masses and a very slight exotherm in larger masses. 3M Scotch-Weld epoxy potting compound/adhesive DP270 is ideal for the potting and encapsulation of many heat sensitive or delicate components such as glass diodes and sensors as well as for transformers, coils, chokes, relays, etc.