Composition: Cr Fe Zn Al Mn References: Maximum Temperature 2300 F. May be used with or without Zinc. Zinc not necessary but better with. Mason Stains Home Page 6124 Chocolate - 1/4 pound 6124-14$3.76 Chocolate - 1/2 pound 6124-12$7.03 Chocolate - 1pound 6124-1$13.10 Chocolate - 5 pounds 6124-5$60.65