rotary quartz tube vacuum sealing system -pull vacuum sealing and plug vacuum sealing method

There are two sealing methods available both pull sealing and plug sealing. The pull sealing is necking a silica glass tube. The plug sealing is fusing the glass rod with the inner glass tube. The pull glass sealing requires more strong oxyhydrogen flame and higher hho gas production compared with the plug sealing. More about okay energy oxyhydrogen flame quartz vacuum sealing technology, you can message and visit