Manufacturing Glass Fibers

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The glass fiber process Textile-grade glass fibers are made from silica (SiO2) sand, which melts at 1720°C/3128°F. SiO2 is also the basic element in quartz, a naturally occurring rock. Quartz, however, is crystalline (rigid, highly ordered atomic structure) and is 99 percent or more SiO2. If SiO2 is heated above 1200°C/2192°F then cooled ambiently, it crystallizes and […]