M390 is very similar in composition to M350 and shares its natural smooth character. It is however more plastic. Its darker color tends to limit it to specialized glaze effects. M390 contains 5 different clays, each of which is quite balanced on its own. Being relatively high in iron pieces made from M390 will heat up in a microwave. Please ...

Plainsman Clays’ M-390 Red Stoneware is a smooth cone 6 red stoneware that is particularly well-suited for throwing. Due to its high iron content, we recommend firing M390 Red Stoneware in oxidation and no higher than cone 6. When fired in oxidation to cone 6 it has a shrinkage of 10% and absorption of <2%.

Plainsman Clays' M-390 Red Stoneware is a smooth cone 6 red stoneware that is particularly well-suited for throwing. Due to its high iron content, we recommend firing M390 Red Stoneware in oxidation and no higher than cone 6. When fired in oxidation to cone 6 it has a shrinkage of 10% and absorption of <2%.

We carry a selection of the most popular Plainsman Clay Bodies. We can also bring in additional clay bodies on request.

Very plastic high iron clay body. Smooth in texture, it is the darkest firing of the medium temperature red bodies. Plainsman moist clays are water-based and packaged in a 20 kg (44 lb) box. Each box contains two individually bagged 10 kilogram pugged blocks. Plainsman Clays are ready to use out of the box, no preparation is required.

A smooth plastic throwing clay firing to an unusually rich deep red brown at cone 5-6.

M390 fires dark red and is the material of choice for dark burning functional ware. It contains more of our native Redstone material than any other body. It is one of several bodies that we process to 60 mesh particle size and is intended to produce ware with a clean, unblemished glaze surface.

M390 contains 5 different clays, each of which is quite balanced on its own. M390 has high plasticity and feels smooth (possible very slight tooth). It generates significant slip during throwing if too soft. Care and attention during drying are a must, especially with larger pieces, flat plates, shallow bowls, and sculptural ware.

Very plastic high iron clay body. Smooth in texture, it is the darkest firing of the medium temperature red bodies. Learn More

M390 is the darker of our 2 red clay options, firing to a deep red brown. Please note coloured clay often requires more clean up and can stain some clothing.