Petro Bond Foundry Sand Brochure - SlideShare
Apr 25, 2010· Petro Bond Foundry Sand Brochure ... Do not look at the price of PETRO BOND per pound, look at the finishing cost of your • Ideal for pattern shop use. ... Blows, Cold Shuts, Etc. lower permeability than molds made with water- bonded sand. There is, however, a minimum level 1.