Cobalt Nickel Gray Periclase, an inorganic pigment, is a reaction product of high temperature calcination in which Cobalt (II) Oxide and Nickel (II) Oxide in varying amounts are homogeneously and ionically interdiffused to form a crystalline matrix of periclase. Its composition may include any one or a combination of the modifiers Al2O3, CaO, Cr2O3, FeO, Fe2O3, MgO, MnO, SiO2, TiO2, ZnO, or ZrO2.
Can be used to color clay bodies, slips, or glazes. They can be mixed with water or with frits and brushed onto pottery forms, either over or under a glaze.
Mason stains react differently under different circumstances. Some of the variables that can alter your results include the chemical composition of the clay body and glaze that you use, the firing temperatures, the kiln atmosphere and the concentration of stain that you use. You will need to experiment a bit with your particular applications.
Maximum Firing limit 1260°C
Stain may be used with or without Zinc.
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