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中文 (中国)Glass fiber is by far the most predominant fiber used in the reinforced polymer industry and among the most versatile. Although melting glass and drawing into fibers is an ancient technique, long continuous fiber drawn from glass was introduced in the 1930’s by Owens-Corning as glass wool and given the popular name fiberglass. Fibers made from glass are manufactured in many varieties for specific uses. It typically has a silica content of greater than 50 percent, and the composition with different mineral oxides give the resulting product its distinct characteristics.
Various glass types are shown below:
A-glass – Alkali glass made with soda lime silicate. Used where electrical resistivity of E-glass is not needed. A-glass or soda lime glass is the predominate glass used for containers and windowpanes. C-glass – Corrosive resistant glass made with calcium borosilicates. Used in acid corrosive environments. E-glass – Alkali free, highly electrically resistive glass made with alumina-calcium borosilicates. E-glass is known in the industry as a general-purpose fiber for its strength and electrical resistance. It is the most commonly used fiber in the fiber reinforced polymer composite industry. R-glass – A reinforcement glass made with calcium aluminosilicates used where higher strength and acid corrosion resistance is needed. S-glass – High strength glass made with magnesium aluminosilicates. Used where high strength, high stiffness, extreme temperature resistance, and corrosive resistance is needed.
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