Cresan C Ball Clay

Description: Noodled refined Devon ball clay

Oxide	Analysis	Formula
CaO	0.20%	0.01
K2O	2.20%	0.10
MgO	0.30%	0.03
Na2O	0.30%	0.02
TiO2	1.50%	0.08
Al2O3	24.30%	1.00
SiO2	63.10%	4.41
Fe2O3	0.90%	0.02
LOI	7.20%	n/a
C	0.60%	n/a
Oxide Weight		389.53
Formula Weight		422.48

Notes

Particle Size (e.s.d.)
125 microns - 0.05
10 microns - 92
2 microns - 68
1 microns - 58
Modulus of Rupture at 110C
Mn/M2 - 6.6
lbf/in2 - 950
Defloculant Required - (3:1 Na₂SiO₃(C.100):Na₂CO₃) - 0.1
Water Absorption
1120C - 4.0
1220C - 0.00
Shrinkage Dry to Fired
1120C - 10.00
1220C - 12.50
Reflectance 464nm
1120C - 70
1220C - 45
Refractoriness
Cone - 30, 1670C

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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.

By Tony Hansen
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