TWVA (AK) Ball Clay
UnavailableProduct Description
A blend of medium plasticity ball clays similar in properties to ESVA. White-firing but slightly lower plasticity than ESVA.
NOTE TWVA Ball Clay is the replacement for ESVA which has been phased out by the producers. Fires to a similar colour and has good plasticity.
Chemical Analysis
BALL CLAY COMPARISON CHART
| Typical Analyses | TWVA |
HYPLAS |
HVAR |
HYMOD |
|---|---|---|---|---|
| SiO2 % | 52 | 71 | 59.6 | 54 |
| TiO2 % | 1.1 | 1.6 | 1.4 | 1.2 |
| Al2O3 % | 31.5 | 18.5 | 27.1 | 29 |
| Fe2O3 % | 1 | 0.8 | 0.9 | 2.3 |
| CaO % | 0.2 | 0.1 | 0.1 | 0.3 |
| MgO % | 0.4 | 0.3 | 0.3 | 0.4 |
| K2O % | 2.3 | 1.9 | 2.7 | 3.1 |
| Na2O % | 0.3 | 0.3 | 0.4 | 0.5 |
| L.O.I. @1000C % | 11.3 | 5.3 | 7.5 | 8.5 |
| Carbon % | 1.6 | 0.2 | — | 0.2 |
| H2O Moisture Content % | 19.5 | — | 15.7 | — |
DISCLAIMER Information correct Apr 17. This product information is indicative only and does not constitute a specification
Product Specification
Weight
100000g, 10000g, 1000g, 25000g, 2500g, 5000g
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TWVA (AK) Ball Clay
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