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Overview of the Silicon Metal and Associated Products Industry Market
There are two principal markets for silicon metal: (i) the chemical and electronics industries and (ii) the aluminum industry.

Silicon metal, as purchased by the chemical and electronics industries, is used in the manufacture of silicones and polysilicon. Silicones cover more than 3,000 different products, including lubricants, synthetic rubbers, water repellent fluids, building sealants, glues, high voltage insulators and permanent seals between glass and metals. They are also contained in cosmetics, shampoos, and other personal care products.

Polysilicon is obtained from metallurgical grade silicon and is further transformed for semi-conductors, silicon wafers and solar cells.

Silicon metal purchased by the aluminum industry is used in the production of aluminum alloys. Aluminum containing silicon metal can be found in a variety of automobile components, including cast aluminum wheels, engine pistons and housings. The addition of silicon metal to the aluminum in the casting process improves castability and minimizes shrinkage and cracking. In finished aluminum products, silicon metal increases corrosion resistance, hardness, tensile strength and wear resistance.

Silica fumes, an inert by-product of the manufacturing process, are sold to the construction industry for use in cement for marine structures or bridge foundations or as a thermal insulator.

Dross is generally collected as a residue of the manufacturing process. This material is sold to the iron foundry and steel industries who recover the silicon content for use in certain types of iron.

Quality Assurance
All of Timminco’s products are produced under our Quality Assurance Program, which adheres to stringent process and quality controls throughout all steps of production.