Special Features
Tapered cork stoppers; lightweight, resilient, and compressible, these lab grade xxxx cork stoppers are chemically inert and moisture resistant so they can be used with most liquids; ideal for pharmaceutical, laboratory, and medical bottling; shore a durometer hardness is 60; temp range -40 to +150 degrees f; od large end: 3/4 in.; od of small end: 37/64 in.; ht: 15/16 in.
