Polypropylene screw caps (PP) with central opening for autosampler vials 9-425.
Features
Polypropylene caps are chemically inert and suitable for most chromatography applications
Normal available cap color is blue, black, clear, while other special colors can be also produced accordingly
Smooth cap & Ribbed cap are available
Septa & Pre-slit septa are available
Pre-assembled caps, septa and vials are convenient and minimize contamination from handling
Easy-on, easy-off convenience with just half-a-turn
To order
Note: caps are supplied without septum to be purchased separately