Sheffield Pottery
Old Hickory M-23 Ball Clay 50 Lb Bag
SKU : RMOLDHICM2350
Item Class:
RAW MATERIALS
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Old Hickory M-23 Ball Clay 50 Lb Bag
Old Hickory M-23
This is a very high quality porcelain grade ball clay. It has fine particle size distribution for excellent plasticity and strength in pressing or plastic forming application. the low Fe2O3 and TiO2 provide high fired brightness to vitreous ceramic compositions. M-23 also has low carbon content for excellent oxidation qualities.
| RAW PROPERTIES | |
| Crude Color | Light Grey |
| Dry Modulus of Rupture (psi)* | 500 |
| Wet Sieve Residue, +200 mesh (%) | 0.24 |
| Water of Plasticity (%) | 38 |
| Linear Drying Shrinkage (%) | 6.8 |
| Soluble Sulfates (ppm) | 229 |
| Filtration (ml) | 26 |
| Specific Surface Area (m2/g) | 23.6 |
| CEC/MBI (meq/100 ml) | 8.4 |
| pH | 5.5 |
|
Particle Size (% less than) 5 Micron 1 Micron .5 Micron |
87 69 58 |
| Median Particle Diameter (Micron) | 0.37 |
*50% clay/50% flint, cast bars
| CHEMICAL ANALYSIS | % |
| Silicon Dioxide (SiO2) | 57.64 |
| Aluminum Oxide (Al2O3) | 28.72 |
| Iron (Ferric) Oxide (Fe2O3) | 1.27 |
| Titanium Dioxide (TiO2) | 1.85 |
| Calcium Oxide (CaO) | 0.10 |
| Magnesium Oxide (MgO) | 0.35 |
| Sodium Oxide (Na2O) | 0.08 |
| Potassium Oxide (K2O) | 0.36 |
| Loss on Ignition | 9.72 |
| FIRED PROPERTIES | Cone 04 | Cone 3 | Cone 11 |
| Linear Fired Shrinkage (%) | 6.3 | 7.5 | 8.8 |
| Absorption (%) | 15.4 | 10.0 | 4.5 |
| PCE..................................31-32 |
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