Raw Materials

325 mesh silica is typically used in glazes.

A fine, particled, lavender powder used as a colorant in glazes and slips. It is the most stable and reliable colorant. Produces various shades of ...

A very effective zirconium glaze opacifier. Ultrox opacifiers claim uniformity of glaze opacity, texture and color over a wide range of temperature...

The most effective opacifier to produce even, opaque, glossy glazes. The normal use of Tin Oxide in a glaze is between 5% and 10%. A dull matt glaz...

A very fine-grained plastic clay of volcanic origin containing colloidal matter. Used in small amounts as an additive to clays to aid in plasticity...

A green powder used as a glaze colorant. Depending on conditions and formulation it may produce green, blue-green or copper red. TOXIC IN RAW FORM.

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

A useful, high temperature flux. It increases the maturing range of glazes and produces bright, glossy colors. Also may be used to give opacity to ...

A natural calcium silicate that can be used to replace silica and whiting where they are used in combination in clay and glazes. Can also act as an...

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...

Calcium Borate source used with other frits for low cost pottery glazes from Cone 06 to Cone 01. Melting Range 1450°.

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 ...

Crystalline minerals made up of mainly silica and alumina in combination with sodium and potassium oxides. Often considered a natural frit. Used ex...

Co3O4, CoO A reliable, stable, black powdered oxide. In small amounts it produces consistently strong blue tones. Used as a glaze colorant and bru...

A titanium dioxide tan colorant which contains a small amount of iron. Used both for color and its tendency to provide various mottled textures.

AKA Flint. The most common source of silica in clay bodies and glazes. Increases the thermal expansion in clays and decreases thermal expansion in ...

An economical, high purity, off-white talc. A major component in low fire, Cone 06-Cone 2 lighter colored clay bodies.

Substitute for Spodumene. A source of lithia, which is a flux, that helps to develop copper blue tone glazes. Can replace feldspar and also reduces...

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.

Used with other frits and raw materials at Cone 06 to Cone 01. Melting Range 1600°.

This is the oldest glaze colorant known. It is a strong flux and will produce fluid glazes. Can produce copper reds in reduction firings. TOXIC IN ...

Opaque glaze in the Laguna Cone 5 Dry Glaze Series.