Your cart

Your cart is empty

Sheffield Pottery

Kentucky Om #4 Ball Clay : 50 Pound

Regular price $24.00
Unit price
per 
SKU : RMKENOM450
Item Class: RAW MATERIALS
Availability
 
Shipping calculated at checkout.
mobile icon

HAVE QUESTIONS ? Call Us

Free Shipping (some items excluded)

Kiln & Ceramic Experts on staff

One stop shop for Ceramics Supplies

Americas Premiere Clay Maker

Ceramic Supplier since 1946

World Class Support

KENTUCKY OM #4 BALL CLAY

Old Mine #4
OM4
SiO2 55.2%
Al2O3 27.9
Fe2O3 1.1
TiO2 1.2
MgO 0.4
CaO 0.3
K2O 1.0
Na2O 0.3
P2O5
SO3
L.O.I. 12.6
P.C.E. Cone 32
Geographical Source:
Western Kentucky
Geological Source:
Sedimentary clay and volcanic ash material deposited by water; formed primarily during
middle Eocene epoch approximately 46 million years ago
Characteristics:
Ball clays are fine-grained highly plastic clays containing a fair amount of carbonaceous
organic matter. Ball clays are generally used in quantities of no more than 25% of the
total constituents of a clay body due to their high shrinkage rates and levels of impurities.
Total Cone 10 Shrinkage Rate: 16.5%

CUSTOMER REVIEWS