Aggregates (Grog, Sand, Kyanite, Mullite)
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Christy Minerals 10 Mesh Flint Grog (coarse)
Grog is ground up ceramic that can be added to clay bodies to reduce shrinkage, warping, cracking, and impart visual and tactile texture. This particular grog is 10 mesh, making it a larger size of the material. Good for adding to more sculptural clay bodies. Information gathered from Digitalfire Ceramic Materials Database and The Potter's Dictionary of Materials and Techniques by Frank Hamer. 50# bag; brown bag, red text sticker on bottom 10 MCF
$2.50 - $18.00
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Christy Minerals 30 Mesh Flint Grog (fine)
Grog is ground up ceramic that can be added to clay bodies to reduce shrinkage, warping, cracking, and impart visual and tactile texture. This particular grog is 30 mesh, making it a a smaller size of the material. Good for adding to throwing clay bodies. Information gathered from Digitalfire Ceramic Materials Database and The Potter's Dictionary of Materials and Techniques by Frank Hamer. 50# bag; brown bag, red text sticker on bottom 30 MCF
$2.50 - $22.00
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Clay & Minerals Silica Shot
Silica shot, also known as silica sand, can be used as an additive to clay bodies instead of grog or in addition to it. Silica shot will reduce the firing shrinkage and warping of a piece. It may also be used under pieces in a kiln on the shelf to help the pieces move as they are firing and helping to prevent cracking. Information gathered from Digitalfire Ceramic Materials Database and The Potter's Dictionary of Materials and Techniques by Frank Hamer. 100# bag; brown bag, Silica Shot written on many places
$2.50 - $21.00
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Clay & Minerals Kyanite (100 mesh)
Kyanite is an incredibly refractory material with low thermal expansion. Its presence in a clay body makes it resistant to thermal shock, reduces fired shrinkage, and increases its mechanical strength. Information gathered from Digitalfire Ceramic Materials Database
$2.50 - $45.00
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Clay & Minerals Molochite (120 mesh)
Molochite is very white material that is typically used in porcelains as a grog and aggregate. Molochite has a low thermal expansion, is resistant to thermal shock, and has a high mechanical stability, making it useful to add to some clay bodies. 120 mesh is a medium sized grain. Information gathered from Digitalfire Ceramic Materials Database.
$4.00 - $125.00
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Clay & Minerals Molochite (200 mesh)
Molochite is very white material that is typically used in porcelains as a grog and aggregate. Molochite has a low thermal expansion, is resistant to thermal shock, and has a high mechanical stability, making it useful to add to some clay bodies. 200 mesh is a very fine grain. Information gathered from Digitalfire Ceramic Materials Database.
$4.00 - $130.00
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Clay & Minerals Molochite (30 mesh)
Molochite is very white material that is typically used in porcelains as a grog and aggregate. Molochite has a low thermal expansion, is resistant to thermal shock, and has a high mechanical stability, making it useful to add to some clay bodies. 30 mesh is a coarse, large grain. Information gathered from Digitalfire Ceramic Materials Database.
$6.00 - $120.00
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Clay & Minerals Kyanite, 35 Mesh
Kyanite is an incredibly refractory material with low thermal expansion. Its presence in a clay body makes it resistant to thermal shock, reduces fired shrinkage, and increases its mechanical strength. Information gathered from Digitalfire Ceramic Materials Database
$40.00
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Clay & Minerals Mullite, 48 mesh
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$50.00
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Clay & Minerals Mullite, 100 mesh
$55.00
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Clay & Minerals Mullite, 35 mesh
$50.00
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Clay & Minerals Mulcoa, 20 mesh
Mulcoa is calcined mullite that is mainly used as a grog in clay bodies. It is also commonly used in stucco and investment casting. Information gathered from Digitalfire Ceramic Materials Database.
$65.30
