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M-23 Ball Clay

Alternate Names: Old Hick M-23, M23 Ball Clay

Oxide Analysis Formula
CaO 0.02% 0.00
K2O 0.60% 0.02
MgO 0.20% 0.02
Na2O 0.08% 0.00
TiO2 1.50% 0.07
Al2O3 27.70% 1.00
SiO2 58.70% 3.60
Fe2O3 1.00% 0.02
LOI9.90%
Oxide Weight 330.67
Formula Weight 367.00

Notes

M-23 is produced from the Old Hickory Gleason TN processing plant. It is a highly suitable grade for low fire white firing compositions as well as stoneware and high fire porcelain ceramic bodies. It has very low levels of residue contaminants and especially carbon content. The high kaolinite value and low iron and titanium help provide exceptional fired brightness and the fine particle distribution offers excellent plasticity to ceramic formulations that are even marginally low in ball clay content.

Crude Color: Light Grey
Dry M.O.R. (psi 50% clay/50% flint, cast bars): 500
Wet Sieve Residue, +200 mesh (%): 0.12
Water of Plasticity (%): 38
Linear Dry Shrinkage (%): 6.78
Solubles Sulfates (ppm): 229
Filtration (ml): 26
Specific Surface Area (sq meters per gram): 18.5
CEC/MBI (meq/100 ml): 11.0
pH: 5.5
PCE: 31-32

Firing Shrinkage (%) Cone 04: 6.3 Cone 3: 7.5 Cone 11: 8.8
Absorption (%) 15.4 10.0 4.5

Particle Size (% finer than):
50 microns: 100
20: 97
10: 92
5: 84
1: 63
0.5: 53

Related Information

Links

Typecodes Ball Clay
Ball clays are abundant and very plastic and are used in all types of plastic forming bodies. They are not as white-burning or refractory as kaolins but lower in iron and fluxes than bentonites.
Materials 56-S Ball Clay
URLs https://digitalfire.com/4sight/datasheets/M23_SDS.pdf
M23 Ball Clay SDS
URLs https://digitalfire.com/4sight/datasheets/SDSM23.pdf
SDS M23 Ball Clay

By Tony Hansen


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