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Anglo No. 1 Ball Clay

Oxide Analysis Formula
CaO 0.10% 0.01
K2O 2.10% 0.09
MgO 0.40% 0.04
Na2O 0.20% 0.01
TiO2 1.30% 0.07
Al2O3 25.10% 1.00
SiO2 62.40% 4.22
Fe2O3 1.00% 0.03
LOI7.40%
C0.10%
Oxide Weight 376.30
Formula Weight 406.81

Notes

Particle Size (e.s.d.)
125 microns - 0.50
10 microns - 90
2 microns - 62
1 microns - 50
Modulus of Rupture at 110C
Mn/M2 - 3.1
lbf/in2 - 450
Defloculant Required - (3:1 Na2SiO3(C.100):Na2CO3) - 0.2
Water Absorption
1120C - 9.0
1220C - 0.00
Shrinkage Dry to Fired
1120C - 9.00
1220C - 13.50
Reflectance 464nm
1120C - 60
1220C - 44
Refractoriness
Cone - 30, 1670C

Related Information

Links

Materials Ball Clay
Suppliers WBB
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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