Chromacol 9mm Screw Thread Closures K-Series closures featuring AVCS technology (Advanced Vial Closure System), 9mm K-Screw Cap (Blue) Prefitted Rubber/PTFE Liner Pre-cut.

• Septa push through virtually eliminated due to improved interior geometry

• Improved sealing capability

• Improved autosampler compatibility

• AVCS provides the freedom to select the best septum for your instrument and applications

• Cost efficient alternative to caps with bonded septa

• Optimized ergonomics, fine texturing and evenly spaced ribbing for superior handling 

Further features are:

• Easy-on, easy-off convenience with just one turn

• Pre-assembled caps and septa are convenient and minimize contamination from handling

• Polypropylene caps are chemically inert and suitable for most chromatography applications

• Closures have the profile of a crimp or snap closure for compatibility with robotic autosamplers

• Closures are shipped in sealed polybags to prevent contamination during transport

• Special caps for magnetic transport autosamplers

• Flanged caps suitable for Shimadzu, Hitachi and Tosoh instruments