![Mason Glaze Stain 6650 Black](http://psh.ca/cdn/shop/products/SMNB1_{width}x.jpg?v=1625577860)
Mason Stain 6650®. Produces good black in zinc-free glazes up to 2300º F (1260ºC). Blend with a zircon opacifier to produce grays.
Mason Stain 6650®. Produces good black in zinc-free glazes up to 2300º F (1260ºC). Blend with a zircon opacifier to produce grays.