Lavafleck Clay 1155
COSHH Sheet
Available 
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Recommended firing range 1200°C-1270°C
- Popular for its distinctive rustic, flecked character
- Good handling for throwing
- Shelves need to be well coated with refractory wash to prevent sticking during firing
- There may be some variation in fleck size and/or density from batch to batch due to the nature of the material
Q: Can I use items made from your flecked clays in the microwave?
A: Yes - the fleck in our clays is created by an iron-bearing compound which is not metallic therefore will not reflect the microwaves.
For more information on this clay, please follow this link: Technical Data
|
Si02% |
Ti02% |
AL203% |
Fe203% |
MnO% |
CaO% |
Mg0% |
K20% |
Na20% |
% Total Shrinkage 1100 C |
% Total Shrinkage 1200 C |
% Thermal Expansion | Texture 1-10(coarse) | Fired Colour |
Vitrification Range |
Firing Range C |
| 63.0 |
1.3 |
22.4 |
1.7 |
N/A |
0.4 |
0.3 |
1.8 |
0.7 |
- | 12% |
0.32 |
4 |
Light Buff |
1250-1280 |
1200-1280 |
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