Clear glass sample vials Closed-top white urea caps with PTFE-faced white rubber liners, attached Packaged in corrugated trays with partitions Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

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

White urea PTFE-faced foam-backed rubber liner Ideal for use with scintillation vials

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