A white epoxy putty that will make repairs on wet and dry surfaces. Once cured you can paint it, sand it and machine it. Plugs or seals leaks. Will patch holes and cracks, and mend almost anything broken. Excellent for rebuilding or fabricating parts, and as an all-purpose adhesive for metals, wood, fiberglass, masonry, ceramics PVC and ABS. Repairs holes, gouges, cuts and even seals rot in fiberglass and wood. Will cure under water.