Tennessee #6 Bond

Description: Tennessee Ball Clay

Oxide	Analysis	Formula
CaO	0.30%	0.02
K2O	1.40%	0.06
MgO	0.05%	-
Na2O	0.20%	0.01
TiO2	2.00%	0.09
Al2O3	27.20%	1.00
SiO2	59.40%	3.71
Fe2O3	0.80%	0.02
LOI	9.50%	n/a
Oxide Weight		342.56
Formula Weight		378.52

Notes

An intermediate-grained Ball Clay with good plasticity and strength. Tennessee #6 Bond is primarily used in refractory applications. It is also very popular in wet sodium silicate mortars based on its excellent shelf life and trowelability.

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%

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

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.

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