Sanblend 55 Ballclay

Description: Devon Composite Ball Clay Blend

Oxide	Analysis	Formula
CaO	0.20%	0.01
K2O	2.30%	0.08
MgO	0.30%	0.02
Na2O	0.20%	0.01
TiO2	1.10%	0.05
Al2O3	30.70%	1.00
SiO2	53.20%	2.94
Fe2O3	1.00%	0.02
LOI	11.00%	n/a
C	1.60%	n/a
Oxide Weight		295.70
Formula Weight		338.33

Notes

Particle Size (e.s.d.)
125 microns - 0.80
10 microns - 96
2 microns - 83
1 microns - 73
Modulus of Rupture at 110C
Mn/M2 - 6.6
lbf/in2 - 950
Defloculant Required - (3:1 Na₂SiO₃(C.100):Na₂CO₃) - 0.3
Water Absorption
1120C - 0.5
1220C - 0.50
Shrinkage Dry to Fired
1120C - 14.00
1220C - 15.50
Reflectance 464nm
1120C - 74
1220C - 50
Refractoriness
Cone - 33, 1730C

Related Information

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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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