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Description: Devon Standard Ball Clay
Oxide | Analysis | Formula | |
---|---|---|---|
CaO | 0.20% | 0.01 | |
K2O | 1.80% | 0.07 | |
MgO | 0.30% | 0.03 | |
Na2O | 0.20% | 0.01 | |
TiO2 | 1.20% | 0.05 | |
Al2O3 | 28.60% | 1.00 | |
SiO2 | 56.20% | 3.34 | |
Fe2O3 | 1.00% | 0.02 | |
LOI | 10.60% | n/a | |
C | 1.10% | n/a | |
Oxide Weight | 319.20 | ||
Formula Weight | 361.49 |
Particle Size (e.s.d.)
125 microns - 0.60
10 microns - 96
2 microns - 78
1 microns - 68
Modulus of Rupture at 110C
Mn/M2 - 3.8
lbf/in2 - 550
Defloculant Required - (3:1 Na2SiO3(C.100):Na2CO3) - 0.4
Water Absorption
1120C - 8.0
1220C - 0.50
Shrinkage Dry to Fired
1120C - 13.00
1220C - 15.50
Reflectance 464nm
1120C - 74
1220C - 52
Refractoriness
Cone - 31, 1690C
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. |
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