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Cone 6 oxidation: Black Mudcrack is a high-texture glaze that forms a raised, cracked surface. The thicker the application, the more textured the surface will be.
Cone 10 reduction: Texture flattens, color remains black.
TIPS: Mudcrack was developed to create a highly-texture raised and cracked surface. The thicker the application, the more textured the surface. Mudcrack can be directly applied to bisqueware or in combination with other mid-range glazes. For shown results, apply directly to bisqueware. Heavy application may cause unfired glaze to release from bisqueware. If glaze is thick in the jar, vigorous stirring and shaking will increase fluidity. The amount of texture and cracking that is produced with these glazes is directly a result of how thick the glaze is applied. A thinner application will result in a smoother surface with very fine cracks. A thicker application will result in larger cracks and more tactile texture.
Not Dinnerware Safe: Not recommended for dinnerware as the fired finish is either not chemically durable or has surface characteristics that could potentially trap bacteria. Recommended for the outside of a dinnerware piece, below the lip line or for ornamental use only.
Chips shown are fired flat on a white clay body fired to cone 6 oxidation and cone 10 reduction. The choice of clay body, the thickness of glaze application, the firing process, and temperature will affect the fired results.
Mayco’s line of Stoneware Glazes are available in a beautiful array of colors, tints and tones. These glazes were developed to perform from mid-range (cone 5/6) to higher fire (cone 9/10) temperatures. Stoneware classic glazes offer the depth, sophistication and reliability to artists working from mid-range to high-fire temperatures. Many glazes will break over textures, revealing secondary colors and shades. Used alone, stoneware glazes produce beautiful color variations. One coat will allow the clay body to show through the glaze and two to three coats deeper the color. The choice of clay body, thickness of glaze application, firing process and temperature will affect the fired finish--we recommend that glazes always be tested on your clay body.
Mayco’s Stoneware Glazes are Food Safe, Non Toxic and Non Hazardous when used according to manufacturer's directions.