49'er Ball Clay

Description: California Ball Clay

Oxide	Analysis	Formula
CaO	0.05%	-
K2O	1.21%	0.05
MgO	0.15%	0.02
Na2O	0.06%	-
TiO2	1.51%	0.08
Al2O3	24.05%	1.00
SiO2	61.33%	4.33
Fe2O3	1.84%	0.05
LOI	9.80%	n/a
Oxide Weight		382.55
Formula Weight		424.12

Notes

A true refractory California ball clay mined and manufactured by Industrial Minerals. Contributes to clay bodies the same essential good workability properties typical of more costly Kentucky ball clays, yet imparts its own unique character of low shrinkage.

Minus 200 mesh: 99%
Water of Plasticity: 36%

Shrinkage:
Dry - 7.4%
Cone 5 - 10.7%
Cone 10 - 12.0%

M.O.R.
Dry - 200
Cone 5 - 4490
Cone 10 - 4730

Absorption:
Cone 5 - 15.2%
Cone 10 - 9.9%

Color:
Cone 5 - cream
Cone 10 - lt. tan

SO₃ content: less than .4%

Related Information

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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.

Data

Dry M.O.R. (50% Silica)	1411C

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