Tennessee #5 Ball

Alternate Names: Tennessee No. 5

Description: Tennessee Ball Clay

Oxide	Analysis	Formula
CaO	0.30%	0.02
K2O	1.00%	0.04
MgO	0.40%	0.04
Na2O	0.30%	0.02
TiO2	1.20%	0.05
Al2O3	27.90%	1.00
SiO2	55.20%	3.36
Fe2O3	1.10%	0.03
LOI	12.60%	n/a
Oxide Weight		319.53
Formula Weight		365.59

Notes

An intermediate-grained, high organic Ball Clay with good strength and plasticity. Tennessee #5 is particularly known for its fast casting properties, making it ideal for sanitaryware, dinnerware, artware and refractory casting applications, as well as plastic formed bodies.

Physical Properties
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Water of Plasticity*: 37.0%
% Dry Shrinkage*: 6.5
Dry M.O.R., psi:* 825
pH: 4.4
C.E.C., meq/100g: 11.0
Specific Surface Area, sq metre/g: 24.4
Soluble sulfur+: Low

P.C.E.: 32

Particle Size, Microns: 20 10 5 2 1 0.5 0.2
(% finer than) 99% 97% 93% 81% 72% 56% 35%

Fired Properties
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Cone 5 10
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Total Shrinkage: 13.0% 14.5%
Absorption: 10.0% 1.0%

Shipped from Mayfield, KY

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*Extruded, 50% ball clay, 50% flint
+Low-trace to 150, Med-150-400, High-450+
**50% Clay, 50% Nepheline Syenite

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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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