... oxygen collection bottle, quartz triangle flask, tee, tube, quartz glass, the test instrument with quartz rod, quartz condenser, quartz ... quartz products, high temperature resistant 1150-1200 degrees, quartz glass, quartz flask, quartz cylinder, etc. It can be ... beads, ceramic tile, porcelain plate, and other chemical durable goods... Quartz dental casting crucible good resistance to heat shock ...