这种透明石英棒具有纯度高，耐高温性强以及热膨胀系数低的特点，用于单端卤素灯的压桥棒，光纤照明、石英纤维的制造以及半导体硅片的加工等，主要规格见表I,表II。
This clear quartz rod has high purity, elevated temperature characteristics and low coefficient of thermal expansion. It serves as the material of the bridging rod for single end halogen lamps, fiber optic lighting, quartz making, wafer carriers and push rods in semi-conductor industry. For detailed specifications and technical data please see table I,table II.
尺寸公差 Dimensional Tolerance 直径公差(mm)
OD & Tolerance 椭圆度(mm)
Euipticity 2.0±0.1 0.10 2.5±0.1 0.10 3.0±0.1 0.10 4.0±0.15 0.15 5.0±0.15 0.15 8.0±0.2 0.20 10.0±0.2 0.20 15.0±0.2 0.20 19.0±0.3 0.30 化学成份Chemical Composition 砷As 铬Cr 铁Fe 镁Mg 钛Ti 钙Ca 铝Al 钠Na 锂Li 钾K <0.002 0.05 0.2 0.1 0.1 0.1 14 0.7 0.1 0.6
