LM1/S Ball Clay

Description: Devon Standard Ball Clay

Oxide	Analysis	Formula
CaO	0.20%	0.01
K2O	1.80%	0.07
MgO	0.30%	0.03
Na2O	0.20%	0.01
TiO2	1.20%	0.05
Al2O3	28.60%	1.00
SiO2	56.20%	3.34
Fe2O3	1.00%	0.02
LOI	10.60%	n/a
C	1.10%	n/a
Oxide Weight		319.20
Formula Weight		361.49

Notes

Particle Size (e.s.d.)
125 microns - 0.60
10 microns - 96
2 microns - 78
1 microns - 68
Modulus of Rupture at 110C
Mn/M2 - 3.8
lbf/in2 - 550
Defloculant Required - (3:1 Na₂SiO₃(C.100):Na₂CO₃) - 0.4
Water Absorption
1120C - 8.0
1220C - 0.50
Shrinkage Dry to Fired
1120C - 13.00
1220C - 15.50
Reflectance 464nm
1120C - 74
1220C - 52
Refractoriness
Cone - 31, 1690C

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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