Currently, Environmental Abrasives recycles from three main manufacturing companies to create alumina ceramic abrasive grains, alumina ceramic technical powders and pure polycrystalline silicon (polysilicon) technical powders.

White Alumina

Environmental Abrasives (EA) has a patented process of recycling and comminuting (crushing) fused aluminum oxide ceramic (alumina) scrap to produce a wide spectrum of alumina grains and powders. This scrap material varies in alumina purity from 85% to 96%, with the remaining balance of primarily silicon dioxide and magnesium oxide. The size of industrial scrap can be as small as ½ cubic inch to nearly 1 cubic foot. Once comminuted, the mixture is classified and purified to generate refined abrasive grains and sprayable alumina powders, referred to as EA Alumina Grains and EA Alumina Powders.

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Pure Silicon Powder

In addition to alumina products, Environmental Abrasives has also recently developed a process to recycle, reprocess and market pure silicon (Si) technical powders. Pure 99.99%, silicon powder kerf is shipped to Environmental Abrasives from silicon log and wafer producers. This kerf is a fine and dusty waste product from silicon log cutting operations. Environmental Abrasives recycles and reprocesses silicon kerf and creates thermally sprayable silicon powders for the sputtering industry and ultra fine silicon powders for smelting and casting processes. The demand for Si is mostly driven by the high technology computer and electronics industries. Uses for silicon however, have also expanded into other high volume industries such the thin film coatings industries. Sputtering techniques for glass coatings driven by increasing insulation and energy conservation requirements have made Si powders a valuable and demanded resource.

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