Black glaze recipe

base glaze: 40 Potash Feldspar, 20 Whiting, 25 China Clay and 15 Flint. for black: 4% Nickel Oxide, 4% Red Iron Oxide, 2% Cobalt Carbonate

Tony Hansen Charcoal Matte Black 138/7 Several variations, see text on tile 49.2 Soda Feldspar 5 Silica 17.9 Whiting 19.9 Kaolin 8 Zinc Ox. ADD 6.7 RIO 1.3 Cobalt Ox. Tests show from left to right, a 5% increment increase of Silica from 5% to 25%. The surface gets glossier as the Silica increases.

Dave Finkelnburg discusses the many possibilities that are possible with cobalt in ceramic glazes and shares some sweet cobalt blue glaze recipes. Learn about cobalt blue glaze now!

Left column is the original G2934, a widely used matte (with dolomite). These variants source the MgO from talc and a frit, raise thermal expansion and smooth the surface, decrease crawling, add zinc, increase hardness.

Glazy Ceramics Pottery Recipe: Glaze, Glossy, Cone 6-8, Oxidation

Tuning the degree of gloss on a matte black stoneware glaze is both about appearance and function.

Glazy Ceramics Pottery Recipe: Glaze, Black, Cone 10, Reduction

Glazy Ceramics Pottery Recipe: Glaze, Rutile, Cone 6, Oxidation

A recipe developed by Tony Hansen in the 1980s. Its was popular because of the simplicity of the recipe and how well it worked with chrome-tin stains.