... available quartz glass plate max. size of L 1200 x W 700 mm and Ring of max. OD=600mm. Quarld Quartz Glass ... glass includes quartz glass roller, tube, rod, ingot, cylinder, plate, ring and so on. The quartz crucible is round opaque crucibles ... included square sintered quartz crucible, quartz rollers, quartz tube and ring. These quartz materials are widely used in semiconductor, photovoltaic, fiber ...