Amaco No. 38 White Stoneware is formulated from choice clays for plasticity and whiteness, plus fire-clay to give it more body. No. 38 White Stoneware Clay contains no grog, yet it has the strength for throwing large pieces. An overall excellent clay for throwing, slab rolling, and hand modeling. No. 38 White Stoneware Clay has some characteristics of porcelain. A good fit at Cone 5 and makes an excellent Cone 10 stoneware.
Bisque fire to Cone 04 (1971ºF, 1077ºC). The firing range is Cone 5-10 (2205º-2381ºF), and the recommended glaze firing is Cone 10 (2381ºF). At Cone 5 (2205ºF), shrinkage is 13% and absorption is 7%. At Cone 10 (2381ºF), shrinkage is 15%, absorption is 1.4%, and the clay fires white in oxidation and gray in reduction, both delicately peppered with darker gray specks. This art clay is talc-free.
A 50 lb. box includes two 25 lb. blocks of clay, each in a polyethylene storage bags, so feel free to use the amount required and store the rest for future use. Clay in moist form presents no hazard.
Family-owned since 1919, American Art Clay Company, Inc. was the first manufacturer of modeling clay in the United States, the first in the industry to formulate lead-free glazes and is the leader in offering safe ceramic materials. Amaco makes more clay than any other company in North America.
Not many companies can say that they’ve been in business for more than 87 years–and almost anyone would agree that such longevity is a pretty remarkable event. Amaco is proud to claim this distinction, celebrating new products and an optimistic outlook for the next 87 years.