Mason 6388 Mazerine Blue Stain Brushes When used in a majolica

When used in a majolica process

the expansion factor is exactly the opposite

and is commonly called alumina

Pyrophyllite is a hydrated aluminum silicate material and shares many physical properties with talc

USG Hydro-Stone® Gypsum Cement — For Tooling & Prototyping

Mason 6388 Mazerine Blue Stain Brushes When used in a majolicaStains 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