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5KG MULLITE GROG (48 MESH)Although rare in nature (its named for the only known occurrence of it on the Scottish Isle of Mull), mullite is ubiquitous in ceramics. When clay is fired above 1100 C, a network of interlaced mullite needles forms, creating the strong internal scaffolding of stoneware and porcelain. Mullite grogs are made by calcining an aluminosilicate such as kyanite. For more information on mullite, see the Digitalfire. com Reference Library of ceramic materials.

the texture looks beautiful under a celadon or any glaze that breaks on the surface

Rated 2100F/1150C (Cone 1)

For mold making

For more information on chrome oxide

Ceramic stain manufacturers rely on chrome oxide to form or modify synthetic spinels

The Scott Creek Pottery Multi-Shape Coil Die for 4″ models is the ultimate in studio efficiency

When replacing a switch

You will still have to throw a foot by gathering clay from the slab or by attaching a coil and compressing it to the back

The shredder handle is the production version of one that I have used for over ten years

A glaze colorant typically giving browns

Dirty texture wheels are not necessarily bad

Although rare in nature (it’s named for the only known occurrence of it on the Scottish Isle of Mull)