Digitalfire Ceramic Materials Database



Kentucky 4&12 Ball

Kentucky Ball Clay

Chemistry %

CaO0.30
MgO0.50
K2O0.90
Na2O0.20
TiO21.50
Al2O327.00
SiO255.40
Fe2O31.00
 

Volatiles %

LOI13.20

A fine-grained ball clay known for its excellent strength and plasticity in casting bodies. Kentucky 4 & 12 is used primarily used in the sanitaryware industry..

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%

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


Out Bound Links

XML for Import into INSIGHT




Not logged in, feedback form not available
Copyright 2003, 2008 http://digitalfire.com, All Rights Reserved
Get a free INSIGHT software trial

INSIGHT is ceramic chemistry
calculation software that runs on
Windows, Mac and Linux and talks
to this web site. ()