Raw Materials

Calcium Borate source used with other frits for low cost pottery glazes from Cone 06 to Cone 01. Melting Range 1450°. WE DO NOT SHIP 50# BAGS  

Very fluid, clear Cone 06 frit. Melting Range 1500° WE DO NOT SHIP 50# BAGS

A high alumina/boron low calcium frit for Cone 06-01. Primarily used in art ware, hobby, and tile glazes. Alkaline, alumina borosilicate. Melting R...

High barium frit. Use caution in glazes for functional surfaces.   WE DO NOT SHIP 50# BAGS

Most often used as a specking agent in clays.

Grog is a hard-fired clay crushed to various mesh sizes. It may be added to clays for tactile and visual texture. It can aid in opening the body fo...

Grog is a hard-fired clay crushed to various mesh sizes. It may be added to clays for tactile and visual texture. It can aid in opening the body fo...

Grog is a hard-fired clay crushed to various mesh sizes. It may be added to clays for tactile and visual texture. It can aid in opening the body fo...

Produces grey brown colors in engobes and in underglazes that include zinc. If tin is present it may produce pink and reddish browns. Can also be a...

A fine-grained ball clay with excellent plasticity and strength. Old Mine #4 is an "industry standard" based on its popularity in both casting and ...

A protective coating for kiln shelves and other areas inside the kiln that may be subjected to dripping glaze during firing. Mix this dry compound ...

A refractory material used to reduce shrinkage in clay bodies. Because of its interlocking crystal structure it also gives strength to clay bodies. 

It is a source of Lithia for glazes. A strong flux, beginning to aid in the melting of glazes at 1472°F. Used extensively as a secondary flux in le...

Source of magnesium in glazes. Imparts strength and color with little shrinkage. In larger proportions, it produces a dry opaque quality to glazes.

Good substitute for Custer Feldspar. A selected white firing high grade potassium feldspar ground to 200 mesh for ceramic applications. Moderate po...

A weak coloring agent. In an alkaline glaze, a blue-purple or plum color can be obtained. In leadless glazes, a purple-brown may result. It is a po...

A black powder which gives red, brown, purple or black tones to clay bodies and glazes. A strong flux when added in large amounts to clay bodies.

A soda spar. It can reduce crazing tendencies when added to a clay body. Also used in glazes where a soda spar is required.

Common glaze colorant. Green nickel produces a variety of browns, blues, grays and yellows depending on the presence of other materials in the glaze.

A natural hydrated earthy ferric oxide. Contains hydrated iron oxide. Can be calcined at 550-600°C.

Also known as Pearl Ash. It is a strong flux and can be used as a color modifier in glazes.

Can be used to increase plasticity in porcelain bodies instead of Potash Feldspar; a complex material similar to and sharing properties with Potash...

Ferric oxide. Basically the same as black iron oxide except not as concentrated.