Screw-Cap NMR Sample Tubes, 1 Pack
Screw-Cap Septum NMR Tubes offer both convenience of a screw cap and that of a septum where material can be removed. Convenient screw-cap access with the security of a fluoropolymer (PTFE) seal. Supplied with open top cap & fluoropolymer/silicone septum for quick and clean access with a 22 gauge standard point needle.   

• 5mm
• 8" (203mm)
• 500 MHz
• Each Screw-Cap Tube comes complete with open top Polypropylene screw cap and PTFE/Silicone septum 
• Inert to most organic solvents and compounds but not recommended for use with strongly corrosive materials 
• Not recommended for multiple punctures

Screw-Cap NMR Sample Tubes, 1 Pack 
Screw-Cap Septum NMR Tubes offer both convenience of a screw cap and that of a septum where material can be removed. Convenient screw-cap access with the security of a fluoropolymer (PTFE) seal. Supplied with open top cap & fluoropolymer/silicone septum for quick and clean access with a 22 gauge standard point needle.   

• 5mm
• 8" (203mm)
• 600 MHz
• Each Screw-Cap Tube comes complete with open top Polypropylene screw cap and PTFE/Silicone septum 
• Inert to most organic solvents and compounds but not recommended for use with strongly corrosive materials 
• Not recommended for multiple punctures

Solid Screw-Cap NMR Tube Cap without Septum, 12 Pack
Compatible with 5mm or 10mm  Screw-Cap NMR Sample Tubes. 

• 8-425 Thread

5mm, 900MHz 7" SCREW CAP NMR TUBE, 1PK

Supplied with open top cap & fluoropolymer/silicone septum for quick and clean access with a 22 gauge standard point needle.