Sanblend 75 Ball Clay

Description: Noodled refined Devon ball clay

Oxide	Analysis	Formula
CaO	0.20%	0.01
K2O	2.20%	0.08
MgO	0.30%	0.02
Na2O	0.30%	0.02
TiO2	1.20%	0.05
Al2O3	30.50%	1.00
SiO2	52.40%	2.92
Fe2O3	1.00%	0.02
LOI	11.90%	n/a
C	2.50%	n/a
Oxide Weight		294.63
Formula Weight		344.19

Notes

Particle Size (e.s.d.)
125 microns - 0.20
10 microns - 97
2 microns - 82
1 microns - 72
Modulus of Rupture at 110C
Mn/M2 - 7.6
lbf/in2 - 1110
Defloculant Required - (3:1 Na₂SiO₃(C.100):Na₂CO₃) - 0.2
Water Absorption
1120C - 2.0
1220C - 0.50
Shrinkage Dry to Fired
1120C - 12.50
1220C - 14.00
Reflectance 464nm
1120C - 67
1220C - 52
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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