Specially designed to offer an ultra-low surface area and large particle sizes, BORATHERM™ SG is perfectly suited for formulations needing good flowability. The specific gravity of grades is 2.4 g/cm
3.
Sibelco also offers Aluminium Oxide (Al
2O
3) which is an
artificial corundum with an exceptionally high degree of hardness and a very tough grain.
Sibelco aluminium oxide materials are excellent abrasive media for compressed air blast cleaning applications (shot blast cabinets, blast rooms etc.) delivering outstanding surface preparation results. Available in brown or white, both materials are fully recyclable for multiple use.