Home - Elkem Elkem Elkem Elkem supplies a broad range of silicone, silicon-based and carbon-based materials engineered for use in construction, polymers, coatings, refractories, foundry, energy, electronics and industrial manufacturing. Its product portfolio includes silicones, microsilica, silicon metal, ferrosilicon alloys, carbon materials and specialty additives designed to deliver performance, durability and processing efficiency in demanding applications. Visit Website