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316 Manufactured Sand From Glass

Jun 01 2020nbsp018332The glass fiber process Textilegrade glass fibers are made from silica SiO 2 sand which melts at 1720176C3128176FSiO 2 is also the basic element in quartz a naturally occurring rock Quartz however is crystalline rigid highly ordered atomic structure and is 99 or more SiO 2If SiO 2 is heated above 1200176C2192176F then cooled ambiently it crystallizes and becomes quartz

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