we can make all sharps of quartz tubes,further-processed is also available,such as fire-polishing,cutting and so on. Material Quartz glassPurity :More than 99.99%Characteristic :1.high quality competitive price and elegant appearance 2.high temperature resistence and corrosion resisting 3.no bubble and no processing trade4.long time to use Efforts 1, tolerance control (min:±0.1)2, accurate ...