Mae San Ball Clay

Description: Thailand Ball Clay

Oxide	Analysis	Formula
CaO	0.30%	0.02
K2O	2.40%	0.10
MgO	0.50%	0.05
Na2O	0.30%	0.02
TiO2	0.50%	0.03
Al2O3	25.40%	1.00
SiO2	60.40%	4.04
Fe2O3	1.20%	0.03
LOI	9.00%	n/a
C	0.50%	n/a
Oxide Weight		365.43
Formula Weight		403.79

Notes

Particle Size (e.s.d.)
125 microns - 2.0
20 microns - 96
2 microns - 75
.5 microns - 42
Modulus of Rupture at 110C
Mn/M2 - 4.9
lbf/in2 - 710
Water Absorption
1120C - 3.0
1220C - 0.0
Shrinkage Dry to Fired
1120C - 11.0
1220C - 14.0
Reflectance 464nm
1120C - 59
1220C - 42
Refractoriness
Cone - 30, 1670C

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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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