Detailed Product Description The pipe adopts the technology of gradual changing of AL-N-AL selective complexabsorptive coating. The materials of vacuum pipes accord with the manufacture ofQB/T2436-99 (IDT) ISO4803-1978 standard 3.3 high-boron through and the functionof resisting cold are very good. Also, the stable property of light is strong.On the basis of the state standard GB/T17409-2005, all staff organizes carefully,manages strictly, and tries one's best to communicate with each other to makechecks at all qualities levels.Diameter of pipe: dia. 47mm, dia. 58mm, dia. 70mm Length of pipe: 1.2m,1.5m,1.6m,1.7m,1.8m,1.9m,2.0m,2.1m,2.2m
common vacuum tube