Technical Specifications
Description
A beautiful terra cotta coloured body designed specifically
for the hobby ceramics industry. Walker Ceramics Auscraft Terra Cotta prepared
plastic body has been made to match the casting body with the same name. Auscraft
Terra Cotta suitable for hand building, throwing on the
wheel and RAM pressing.
Recommended Firing
|
Bisque |
Glaze |
|
1060 to 1100° C |
1000 to 1043° C |
|
Orton Cone 04 to 03 |
Orton Cone 06 to 05 |
|
at 150° C per hour |
at 150° C per hour |
Coefficient of Expansion
Sample fired at 1100° C, Orton cone 03. Linear expansion is
0.400% at 500° C and coefficient is 83.0 x 10-7 from 200°C to 500°C.
| Chemical Analysis |
Shrinkage (fired) |
|
SiO2 |
64.19% |
From wet to dry |
3.0% |
± 1.0% |
|
Al2O3 |
16.17% |
From dry to bisque |
1.0% |
± 0.5% |
|
TiO2 |
0.93% |
From bisque to glaze |
0.3% |
± 0.2% |
|
Fe2O3 |
4.23% |
|
CaO |
3.84% |
|
MgO |
12.92% |
|
Na2O |
0.01% |
|
K2O |
1.06% |
|
L.O.I. |
9.20% |
Glazes
EE400 Clear Gloss and all glaze and underglaze
products designed for Hobby Ceramics.
Presentation
Auscraft Terra Cotta plastic body is available in 10
kilogram plastic wrapped packs. Whatever your application Walker Ceramics can produce the
right consistency to meet your requirements.
