Devcon This item features: -Trowelable, alumina-filled epoxy compound for rebuilding, smoothing, and protecting processing equipment exposed to corrosion, erosion, cavitation, chemicals and acids. -Excellent for filling voids and rebuilding metal castings. -25-minute working time. -Qualifies under Mil Spec DOD-C-24176B(SH) Type I II. -Capacity Wt.: 3 lb. -Temp. Range: 150.0 �F, 350.0 �F [Max]. -Dielectric Strength: 370.0 V/mil. -Chemical Compound: Epoxy. -Color: Dark Blue. -Compressive Strength: 12700 psi.