Black Phenolic Open Top Screw Caps, Thread 8-425, pkg of 200 ea, Z162531, Supelco (CAT#: STEM-L-1593-Y)

It is autoclavable, easy sterilization, is used as a closure type for the containers used to contain substances in order to prevent contamination.

Material: black phenolic cap
Features: closed black phenolic hole cover
Packing: pkg of 200 ea
NMR tube diameter: 5 mm
Accessories: 8-425 thread

Brand® Centrifuge Tube Caps, for 30mL Tubes, Z641251, BRAND (STEM-L-0409-Y)
Black Phenolic Open Top Screw Caps, Thread 13-425, pkg of 200 ea, Z106445, Supelco (STEM-L-1592-Y)