DWK Life Sciences (Kimble) Open-Top Black Phenolic Screw Thread Caps without Liners
![DWK Life Sciences (Kimble) Open-Top Black Phenolic Screw Thread Caps without Liners](https://krackeler.com/tt/lg/graphics/0006/jpg/73804t.jpg)
These open top closures offer excellent chemical resistance and are made from specially formulated phenolic resin to withstand the effects of repeated autoclaving. Linerless. Identified in ASTM Specification E982, Class A requirements.