Raw Materials

Albany Slip Substitute – A substitute for the once popular, high iron content alluvial slip clay found in New York State. Albany slip substitute is formulated to duplicate the fired...

This material was formulated as a physical and chemical substitute for the late and very popular Albany Slip from New York state. Like Albany, it is a low melting iron...

Alumina Hydrate – (Al203 3H20) A source of alumina in glazes but mostly used as a high temperature kiln wash for shelves or a coating to keep lids from fusing...

M23 Ball Clay – M-23 is produced from the Old Hickory Gleason TN processing plant. It is a highly suitable grade for low fire white firing compositions as well as stoneware and...

   OH #5 – A high temperature plastic clay used in clay body formulas for plasticity and in glazes for its alumina and silica content.

A coarse-grained fast-casting ball clay with medium plasticity and strength. SGP is an "industry standard" based on its popularity in for casting. It can also be used in plastic formed bodies. It is also...

XX Saggar – A plastic ball clay used in salt/soda clay body formulas for its silica content which promotes “orange peel” effect on the clays fired surface.

New Foundry Hill Crème – A high temperature clay used in clay body’s for plasticity. In glazes contributes alumina and silica to the formula and aids in glaze suspension properties.

KT #1-4 Ball Clay can be used in slip formulations. Mixes well with deflocculants

OM 4 - A popular plastic clay used in clay body formulas for its plasticity also used in glaze for suspension properties and its alumina and silica content.

Barium Carbonate German – (BaC03) 1% or 2% in clay body formulas will neutralize soluble salt scumming. Promotes opacity and matt surfaces in glazes. Toxic

Bentonite 325 Mesh – (Al203 4SI02 9 H20) very plastic clay 1% to 2% in glazes aids in suspension, in clay body formulas increases plasticity.

Aluminum silicate additive for paints and coatings. An economical thixotrope. BENTOLITE L10 contributes to excellent application and film formation properties. In glazes, when used in combination with carboxymethylcellulose, Bentolite provides...

Bentonite: Macaloid – A type of bentonite which increases suspension properties in glazes and aids in plasticity for clay body formulas.

Bone Ash – (Ca3 (PO4)2) Source of phosphate lowers melting point in glazes contributing to translucency. Promotes intense colors in glazes.

Borax: Powder – (Na20 2B20 10 H20) Soluble boron source used in low fire glazes.

Brushing Medium – allows liquid to flow off the brush in an even application

Burnt umber is the calcined, or heated, version of raw umber, which is a natural brown to reddish-brown earth pigment. This pigment contains both iron oxide and manganese oxide, and...

About Calcium Carbonate (Whiting) (CaC03)  – Marble White 325 Mesh by Specialty Minerals, Inc. Source of calcium, whiting acts as a high temperature flux in glazes and increases glaze hardness.

Chrome Oxide, Green – (Cr203) a glaze colorant produces greens, to browns, very refractory Toxic in raw form

CMC Powder – Carboxy/Methl Cellulose A cellulose organic gum primarily used as a glaze binder and suspension agent.

Cobalt Carbonate – (CoCO3) a fine lavender color glaze/and or clay body colorant producing various intensities of blue.

Cobalt Oxide – (Co3 04) black powder which is stronger than cobalt carbonate producing blue in glazes.

Copper Carbonate – (CuCo3) glaze colorant can produce green in oxidation and reds in reduction kiln atmosphere.

Copper Oxide, Black - (Cu0) black cupric oxide stronger that copper carbonate can produce green glazes in oxidation and reds in reduction kiln atmosphere.

Cornwall Stone Substitute – A feldspar replacement for the past Cornwall Stone acting as a glaze flux at high temperatures.

Cryolite (Na3×AlF6) is a strong fluxing agent with a very low melting point. This powdered material is derived from granite. Cryolite is used in frits and glazes, and is a...

Dolomite – CaMg (C03) 2 A source of calcium and magnesium used in glazes used in high temperature glazes to promote matt surfaces

Earth 22: (3Mg0 4Si02 H20) used in glazes to provide magnesium silica which can act as a flux in conjunction with other oxides. In clay body formulas, it can increase...

Currently there is a two bag limit. Thank you for understanding! This is being sold as an equivalent to old G200 Feldspar (the old mine of the latter is being closed...

Minspar Soda – A sodium based feldspar used as a flux in high temperature glaze and clay body formulas.

"No potter or manufacturer should be without this type of frit (despite how expensive it is). Every frit manufacturer will be making a magnesia borosilicate like this (because it is needed to lower the thermal...

This is a USA pottery frit, Ferro now calls it Frit 5301-2. Formerly Frit 4101 The fluorine content seems to be impossibly high, likely an error. Useful in high expansion...

   Gold Art - A high temperature stoneware clay of medium platelet size used in clay body formulas to improve handling qualities.

Hawthron 35 Mesh – A finer mesh, refractory clay used in clay body formulas for its fired strength, promoting less shrinkage and warping