The 3M Scotch-Weld™ Epoxy Potting Compound 270 is a black, 5-gallon epoxy adhesive designed for potting and encapsulating applications in various industries. It has a shear strength of 2500 psi, an open time of 60 minutes, and a full cure time of 48 hours at 72 °F. This self-leveling compound is flame retardant, with a hardness of 83 Shore D and a viscosity range of 6000-12,000 cps at room temperature. The mix ratio is 1:1 and it has a specific gravity of 1. Ideal for hard disk drive component assembly and suitable for use in construction, electronics, metalworking, and more.