Aluminium oxide is used for its hardness and strength. Its naturally occurring form, Corundum, is a 9 on the Mohs scale of mineral hardness (just below diamond). It is widely used as an abrasive, including as a much less expensive substitute for industrial diamond. Many types of sandpaper use aluminium oxide crystals.
| Weight | 20 kg |
|---|---|
| Dimensions | 10 × 10 × 10 cm |
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Jenna S. –
I ordered on Friday evening and on Monday at 12:30 the package was with me. I have never encountered such a fast order processing.