Whiting Powder (1 Quart or 1 Gallon) by Sarco Putty Save Liquid error (product-badge line 32): Computation results to '-Infinity'% $9.50 1 Quart - $9.50 1 Gallon - $24.50 Size 1 Quart 1 Gallon 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 100% Calcium Carbonate Commonly used with Sarco Putty Whiting Powder is used as a filler pigment to increase the coverage of paints, coating and whitewash. The Whiting Powder is a very fine white powder slightly abrasive material composed of calcium carbonate. Whiting Powder can also be used to shine stainless steel, marble, glass, silverware, copper and many other non ferrous metals.