Alumina Oxide, calcined 325
$13.22
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 powder form -- the alumina oxide that we carry here at The Ceramic Shop 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 you will use.
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