Mae Vit W Ball Clay

Description: Thailand Ball Clay

Oxide	Analysis	Formula
CaO	0.40%	0.03
K2O	2.50%	0.10
MgO	0.50%	0.05
Na2O	0.30%	0.02
TiO2	0.40%	0.02
Al2O3	27.40%	1.00
SiO2	54.30%	3.36
Fe2O3	1.40%	0.03
LOI	13.00%	n/a
C	3.50%	n/a
Oxide Weight		324.61
Formula Weight		388.76

Notes

Particle Size (e.s.d.)
125 microns - 3.0
20 microns - 96
2 microns - 83
.5 microns - 49
Modulus of Rupture at 110C
Mn/M2 - 6.4
lbf/in2 - 920
Water Absorption
1120C - 3.0
1220C - 0.0
Shrinkage Dry to Fired
1120C - 9.0
1220C - 11.5
Reflectance 464nm
1120C - 66
1220C - 48
Refractoriness
Cone - 32, 1710C

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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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