Mason 6306 Vivid Blue Stain Medium Fire -Laguna Clays Small additions of fine alumina

Small additions of fine alumina hydrate added to a glaze can also enhance the color of Cr-Al pinks

Although this mineral is present in many different ceramic materials (from feldspars to bentonite to sand

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Most stains are stable up to temperatures of 2300F

Whitest firing of all mid temp bodies

Mason 6306 Vivid Blue Stain Medium Fire -Laguna Clays Small additions of fine aluminaStains are a mixture of ceramic oxides and coloring metal oxides that are melted in kilns, quenched, ground to specific mesh size (some are acid washed), and colored with organic dyes to simulate the fired color. Essentially they are fritted colorants. They are made and manufactured for several reasons: to provide a consistent and stable form of colorant that doesnt dissolve in the glaze melt as easily as coloring metal oxides; to make colorants safer