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Todd Light Ball Clay
Kentucky Ball Clay
Chemistry
Chemistry available on new site, see link above
Links to Other Materials
Miscellaneous
- Family: Ball Clay
- Region: None
- Mined At: Unspecified
- Raw Mineral: No
- Generic: No
Notes
A fine-grained ball clay with excellent strength and plasticity Todd Light is very popular both in casting and plastic formed bodies Applications include sanitary ware, electrical porcelain and dinnerware.
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
Suppliers
- K&T Clays
Authors
- Tony Hansen (Owner)
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