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Glass fiber is an inorganic non-metallic material with excellent performance, a wide variety of types, its main components are silica, alumina, calcium oxide, boron oxide, magnesium oxide, sodium oxide, etc., according to the amount of alkali content in the glass can be divided into alkali-free glass fiber, medium alkali glass fiber and high alkali glass fiber. The advantages are good insulation, strong heat resistance, good corrosion resistance, high mechanical strength, and the disadvantage...