Epoxy might be properly metered by volume or fat. Blend ratio info is over the hardener label and our technical facts sheets. Epoxy resin was 1st found by Pierre Castan, a Swiss chemist and pioneer in resin advancement, in 1936 by means of a curing response with phthalic acid anhydride. https://mixing-epoxy-resin03580.p2blogs.com/30547879/epoxy-resin-supplies-secrets