Monthly Tech-Tip | No tracking! No ads! |
Description: Devon Composite Ball Clay Blend
Oxide | Analysis | Formula | |
---|---|---|---|
CaO | 0.10% | 0.01 | |
K2O | 2.29% | 0.09 | |
MgO | 0.30% | 0.03 | |
Na2O | 0.30% | 0.02 | |
TiO2 | 1.30% | 0.06 | |
Al2O3 | 29.00% | 1.00 | |
SiO2 | 55.91% | 3.27 | |
Fe2O3 | 0.90% | 0.02 | |
LOI | 9.60% | n/a | |
C | 0.30% | n/a | |
Oxide Weight | 316.86 | ||
Formula Weight | 351.68 |
Particle Size (e.s.d.)
125 microns - 0.80
10 microns - 97
2 microns - 78
1 microns - 67
Modulus of Rupture at 110C
Mn/M2 - 6.2
lbf/in2 - 900
Defloculant Required - (3:1 Na2SiO3(C.100):Na2CO3) - 0.3
Water Absorption
1120C - 4.0
1220C - 0.50
Shrinkage Dry to Fired
1120C - 12.00
1220C - 14.00
Reflectance 464nm
1120C - 68
1220C - 48
Refractoriness
Cone - 33, 1730C
Materials |
Ball Clay
A fine particled highly plastic secondary clay used mainly to impart plasticity to clay and porcelain bodies and to suspend glaze, slips and engobe slurries. |
---|---|
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. |
By Tony Hansen Follow me on |
Buy me a coffee and we can talk