Hydro-Stone Plaster USG United States Gypsum Cement, 22.68 kg Raku Glazes Moderately high expansion makes it

Moderately high expansion makes it suitable as a crackle glaze (with an addition of 10% kaolin)

It fires very white at Cone 10 oxidation

this body has good strength

self-hardening modeling clay is prepared in moist form

introducing pure white to the colors you are using

Hydro-Stone Plaster USG United States Gypsum Cement, 22.68 kg Raku Glazes Moderately high expansion makes itUSG Hydro Stone Gypsum Cement is especially suitable where high strength and resistance to water absorption are necessary. It is ideal for applications in both the tooling & prototyping and art & statuary categories. USG Hydro Stone Gypsum Cement For Tooling & Prototyping USG Hydro Stone Gypsum Cement is ideal for stretch press dies where extreme surface hardness is required. USG Hydro Stone Gypsum Cement: Features a heavy, syrupy consistency, ideal