Fused quartz made from natural raw material solarizes or discolors upon prolonged irradiation by high energy radiation . Resistance to this type of solarization increases with the purity of fused quartz. Hence, synthetic fused silica is
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By finding new and better sources of raw material, expanding and modernizing production facilities, and upgrading quality control functions, Momentive Performance Materials has reduced contaminant levels in its fused quartz tubing to less than 25 ppm, with alkali levels below 1 ppm. GE 244 LD Low Alkali/Low Aluminium Quartz Tubing
03/03/2013· momentive quartz raw material process willoughby. Momentive Quartz Momentive s Quartz technologies and high purity materials for crucibles, ingots, and quartz tubing and rods are the centerpiece of our . » More detailed.
WATERFORD, New York June 23, 2021 Momentive Performance Materials Inc. has published its Environmental, Social Corporate Governance Commitment. FEATURE: Momentives Solutions for a Sustainable World Highlighted in Manufacturing Today
Cleaning of Fused Quartz The products should be washed in deionized or distilled water with a degreasing agent added to the water. Fused quartz should then be placed in a 7% solution of ammonium bi fluoride for no more than ten minutes, or a 10 vol % solution of hydrofluoric acid for no more than five minutes.
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