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Sp.KB Ball Clay

Description: WBB Devon Ball Clay Group 1

Oxide Analysis Formula
CaO 0.20% 0.01
K2O 1.00% 0.03
MgO 0.20% 0.01
Na2O 0.10% -
TiO2 0.90% 0.03
Al2O3 35.00% 1.00
SiO2 46.20% 2.24
Fe2O3 1.30% 0.02
LOI 13.10%n/a
C 2.40%n/a
Oxide Weight 247.42
Formula Weight 292.81

Notes

Particle Size (e.s.d.)
125 microns - 0.30
10 microns - 97
2 microns - 86
1 microns - 78
Modulus of Rupture at 110C
Mn/M2 - 4.9
lbf/in2 - 710
Defloculant Required - (3:1 Na2SiO3(C.100):Na2CO3) - 0.1
Water Absorption
1120C - 9.5
1220C - 2.50
Shrinkage Dry to Fired
1120C - 14.00
1220C - 16.50
Reflectance 464nm
1120C - 80
1220C - 76
Refractoriness
Cone - 33, 1730C

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.
By Tony Hansen
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