MATERIAL SAFETY DATA SHEET (Complies with OSHA 29 CFR …
(quartz) 1480 8-60-7 99.0-99.9 _10_ % SiO2 +2 None .05 None mg/m³ If crystalline silica (quartz) is heated to more than 870°C, it can change to a form of crystalline silica known as trydimite; if crystalline silica (quartz) is heated to more than 1470°C, it can change to a …