Mason 6315 Zirconium Vanadium Stain Ribs & Scrapers It is often used in

It is often used in a glaze to affect acid resistance

particularly when the desired effect is a color responsive matte

Features a heavy

A common colorant which produces a variety of browns

Alumina oxide is a chemical compound of aluminium and oxygen

Mason 6315 Zirconium Vanadium Stain Ribs & Scrapers It is often used inStains 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