Excellent for general laboratory use Specially formulated phenolic resin and liner adhesive to withstand the effects of repeated autoclaving PTFE-faced/general purpose white rubber liners are highly resistant to chemical effects Identified in ASTM Specification E982, Class A requirements

Open top closures with excellent chemical resistance Specially formulated phenolic resin to withstand the effects of repeated autoclaving Linerless Identified in ASTM Specification E982, Class A requirements