Industrial & Scientific > Lab & Scientific Products > Lab Supplies & Consumables > Lab Consumables > Lab Stoppers > Corks

Cork Stoppers, Size 5, XXX Quality, Karter Scientific 20A5 (Pack of 25)

Product ID: B01AOJ6GWM Condition: New

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Product Description

Cork Stoppers, Size 5, XXX Quality, Karter Scientific 20A5 (Pack of 25)

Cork Stoppers: Size 5 (XXX Quality)
Top Diameter: 17.4mm
Middle Diameter: 15.0mm
Bottom Diameter: 13.5mm
Length: 22.2mm

These high quality cork stoppers are an economical alternative to rubber stoppers Safe for use with food or drink! These are real corks harvested from the the outer bark of an evergreen type of oak tree called the cork oak (species Quercus suber) that is native to the Mediterranean region. Cork is an impermeable buoyant material, the phellem layer of bark tissue that is harvested for commercial use primarily from Quercus suber, which is endemic to southwest Europe and northwest Africa. Cork is composed of suberin, a hydrophobic substance.