quartz borosilicate scientific glass blowing -oxyhydrogen flame sealing and melting

How to blowing or sealing or melting quartz and borosilicate scientific glass? This video show how to melting and heating quartz glass evenly with Okay OK-M30 tube holder and rotating machine.Okay Energy OH3000 oxyhydrogen generator can melt quartz glass diameter 30mm and thickness 3mm.
For larger size diameter quartz glass tube,we provide you automatic glass blowing and sealing solution for university,research,industrial and government laboratories etc.