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Description

50lbs COARSE GROG (20 MESH)Fired & ground Missouri flint clay. A coarse aggregate added to clay bodies to prevent cracking of large forms by reducing dry shrinkage. Also used to create rough textured surfaces and colour variation in dark clay bodies. Finer kyanite and mullite grogs suitable for throwing are also available. For more information on grog in general, see the Digitalfire. com Reference Library of ceramic materials. Different Raw Materials ordered in full bag qty (20

Interchangeable 7

Crank handle - black powder coated steel with wooden knob

magnetite ore can produce fired colours ranging from light grey to taupe-grey to dark brown to near-black depending on concentration

rounded-grain refractory used on kiln shelves to ease shrinkage movement of large pieces or

42A on - 14

Stainless steel cutter

It can actually be used as an economical nearly-black stain for glazes (~5%)

Mold making is invaluable because it allows potters to slip-cast identical multiples of their work

Note: Glazes become increasingly susceptible to food acid attack as copper oxide levels increase

A cone 6 clay approaching the whiteness of porcelain while maintaining the working properties of stoneware

5 dia x 22

Not recommended for use on 540i black stoneware