No. 28

This is a kaolin grade with exceptional plasticity, dry and green strength, and low levels of carbon content. it can be utilized in extruded or pressed ceramic formulations and is a clay particularly advantageous in the manufacture of porcelain ceramic tile.

Typical Datat Sheet
Shipping Point: Hickory, KY
Crude Color Light Brown
Dry Modulus of Rupture (psi)* 770
Wet Sieve Residue, +200 mesh(%) 0.71
Specific Surface Area (m2/g) 22.3
CEC/MBI (meq/100 ml) 9.3
pH 6.0
Particle Size (% less than)
5 Micron
1 Micron
.5 Micron
Carbon % .65
Sulfur (ppm) 392

*50% clay/50% flint, cast bars

Silicon Dioxide (SiO2) 60.3
Aluminum Oxide (Al2O3) 25.6
Iron(Ferric) Oxide (Fe2O3) 1.33
Titanium Dioxide (TiO2) 1.75
Calcium Oxide (CaO) 0.15
Magnesium Oxide (MgO) 0.37
Sodium Oxide (Na2O) 0.08
Potassium Oxide (K2O) 1.00
Loss on Ignition 9.0

NOTICE: All data given and statements and recommendations made herein are based upon our research and are believed to be accurate typical data. However, no guarantee of their accuracy is made or implied. Our products are sold on the condition that the user will evaluate them himself, as well as our formulas and recommendations, to determine their suitability for his own purposes before adoption on a commercial scale. Also, statements as to the use of our products are not to be construed for their use in the infringement of any patent.

Warning: This clay product contains quartz which may cause delayed respiratory disease (silicosis) if inhaled over a prolonged period of time. Avoid breathing dust. Use NIOSH/MSHA approved respirators where TLV for crystalline quartz is exceeded. IARC Monograph Volume 68, 1997 concludes that the respirable fraction of crystalline quartz, causes cancer in humans. Refer to MSDS for complete details.