Monthly Tech-Tip | No tracking! No ads! |
Description: WBB Devon Ball Clay Group 3
Oxide | Analysis | Formula | |
---|---|---|---|
CaO | 0.20% | 0.01 | |
K2O | 2.40% | 0.10 | |
MgO | 0.40% | 0.04 | |
Na2O | 0.40% | 0.02 | |
TiO2 | 1.50% | 0.07 | |
Al2O3 | 26.40% | 1.00 | |
SiO2 | 59.90% | 3.85 | |
Fe2O3 | 0.90% | 0.02 | |
LOI | 7.90% | n/a | |
C | 0.60% | n/a | |
Oxide Weight | 355.84 | ||
Formula Weight | 388.90 |
Particle Size (e.s.d.)
125 microns - 0.70
10 microns - 95
2 microns - 77
1 microns - 67
Modulus of Rupture at 110C
Mn/M2 - 9.4
lbf/in2 - 1370
Defloculant Required - (3:1 Na2SiO3(C.100):Na2CO3) - 0.4
Water Absorption
1120C - 0.5
1220C - 0.50
Shrinkage Dry to Fired
1120C - 10.50
1220C - 12.00
Reflectance 464nm
1120C - 57
1220C - 45
Refractoriness
Cone - 31, 1690C
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. |
Typecodes |
Materials used in Denmark
|
By Tony Hansen Follow me on |
Buy me a coffee and we can talk