![Mason Stain 6600 Best Black](http://psh.ca/cdn/shop/products/SMBB1_2_{width}x.jpg?v=1625577696)
Mason® Stain 6600. Produces good black in zinc or zinc-free glazes up to 2300 F (1260C). Blend with a zircon opacifier to produce grays. Composition - CoCrFeNi
Mason® Stain 6600. Produces good black in zinc or zinc-free glazes up to 2300 F (1260C). Blend with a zircon opacifier to produce grays. Composition - CoCrFeNi