Alumina Oxide (Calcined)
$13.24
Item #: CH-ALOX
| Qty: | Unit Price: |
|---|---|
| 5 | $9.92 |
| 25 | $8.27 |
| 50 | $7.44 |
| 100 | $6.61 |
Priced per pound.
Alumina oxide, Al2O3, is a chemical compound of aluminium and oxygen, and is commonly called alumina. Essentially a refractory, it is responsible for the matteness or brilliance of glazes. However, too much alumina can cause a dry appearance. It prevents devitrification and adds strength. Alumina oxide is insoluble in water and has a high melting temperature of 3550° F. Because of this, alumina oxide can lend great strength to clays and glazes and is frequently used in the industrial ceramics industry.
Alumina oxide comes in 325 mesh powder, which is very fine-grained (versus more granular versions that may be available elsewhere).
Additionally, please note that this alumina oxide is calcined - if you have a glaze or clay recipe calling for calcined alumina, this is the product to use.
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