Sasol produces high purity and ultra-high purity alumina  under the CERALOX tradename. CERALOX is a trademarked brand for high purity gamma (γ-Al2O3), transitional (δ-Al2O3 and θ-Al2O3) and alpha alumina (α-Al2O3). Sasol utilizes its proprietary high temperature calcination, milling, and forming technologies to produce alumina with a wide variety of physical properties. CERALOX alumina is available as free-flowing powders, granules, spheres, and high density pellets. CERALOX alumina products are based on proprietary aluminum alkoxide production technology and are available with up to 99.999% purity. CERALOX aluminas have a unique combination of purity and tailored physical properties that make CERALOX alumina excellent starting materials for a variety of applications including: sapphire crystal growth, lighting, inorganic chemical synthesis, alumina coatings, thermal spray, phosphors, polishing, and technical ceramics.