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Tennessee #5 Ball

Alternate Names: Tennessee No. 5

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
LOI12.60%
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
===================
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
================
Cone 5 10
----
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

Related Information

Links

Materials Ball Clay
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.
Suppliers Imerys

By Tony Hansen


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