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Fiberglass Production Process
Mar 06, 2018

                                Fiberglass Production Process


     The raw materials used to make fiberglass products include silica(in the form of silica sand or scrap glass), clay, limestone, boric acid, and fluorspar. Raw materials are proportioned to produce specific physical characteristics, mixed, and then fed into a melting tank(or furnace)where temperatures of about 1500 degrees Celsius reduce the materials to molten glass. Individual glass fibers are formed by feeding the molten glass into bushings(wool or fiber) or rotating cylindrical containers(wool)whose surface is pierced by a large number of small holes. Individual fibers are produced as the glass passes through the holes. The production of wool and fiber products diverge significantly at this point.

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