M35 Green Neoprene for added chemical resistance Listed mainly by trade-size, available in solid, one-hole, and two hole rubber stoppers. Uses vary widely, some are outlined below: Carboy Stoppers Crucible Holders Laboratory & Test Tube Stoppers Masking Applications Micro Stoppers Pipe…
Gray Chlorobutyl Straight-Sided StoppersDWK Life Sciences (Kimble)
These high quality gray chlorobutyl stoppers are used for research and pharmaceutical packaging applications. Universal gray chlorobutyl formulation passes Japanese, European and United States pharmacopeia testing for globally marketed pharmaceutical products Formulation contains no…
One-Hole Rubber StoppersPlasticoid
Size No. 000, 00 and 0 have hole 3 mm diameter; sizes No. 1 and 2 have hole 4 mm in diameter; all other sizes have hole 5 mm in diameter.
PennyHead Glass Hollow StoppersAcross International
Ai 24/40 pennyhead glass hollow stopper. Glass material: high borosilicate glass 3.3.