5 mm Screw-Cap NMR Tubes

Description

Commonly used in sample degasification these tubes can maintain vacuum quality of >10-4 torr. For better vacuum, please check our Pressure/Vacuum Tube and Quick Pressure Valve Tube .Tube comes complete with open top screw cap and septum. Caps and septa can be ordered separately; see table.Note: Items marked CALL may have limited availability.

Application Notes

PTFE/Rubber – Laminated discs with a sheath of PTFE bonded chemically to pharmaceutical rubber. Inert to most solvents and many corrosives. Not recommended for multiple punctures.PTFE/Silicone – Laminated discs with a sheath of PTFE bonded chemically to silicone. Inert to most organic solvents and compounds; however, not recommmended for use with strongly corrosive materials. Remains reliable after multiple punctures.