Mayco SW003 Crackle Matte Clear Stoneware Glaze, Pint Size:Liquid, Pint Black copper oxide is a

Black copper oxide is a black powder used as a colorant in the preparation of slips and glazes

Can also be applied to dry greenware for single firing

ideal for pouring into solid models or patterns (and making it ideal for filling multiple molds simultaneously)

such as fabric

Iron chromate is a brownish powder that creates darker colors when added as a colorant to engobes

Mayco SW003 Crackle Matte Clear Stoneware Glaze, Pint Size:Liquid, Pint Black copper oxide is aMayco's SW 003 Crackle Matte Clear is for decorative work at mid range firing temperatures where a fine crackle pattern is desired. SW 003 is Non Toxic but not Dinnerware Safe due to the crackled surface it produces. Apply 3 coats to Cone 06 04 bisque and fire to Cone 5 6. The crackle pattern can be accentuated by rubbing ink into the surface after firing. (May be fired up to Cone 10 but crackle pattern may not develop at higher temperatures and