Stoppers, DWK Life Sciences (Wheaton), 20 mm, 7 mm, Supplies
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Snap-On Stoppers
DWK Life Sciences (Wheaton)Natural red rubber or gray chlorobutyl/45 material 7 x 13 or 13 x 20 mm sizes
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Stoppers, Lyophilization with Ultra Pure Formulation
DWK Life Sciences (Wheaton)Ultra Pure Lyophilization Stoppers are made from a bromobutyl rubber compound containing the highest level of chemical purity. These stoppers demonstrate a very low level of moisture absorption and are ideal for most lyophilization applications. They are compatible with Water for Injection (WFI)…
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Premium Stoppers, Straight Plug with Coating
DWK Life Sciences (Wheaton)Complete Coat Stoppers are completely coated with a fluorinated polymer that has barrier properties similar to PTFE. The fluorinated polymer coating is the only material that comes in contact with the sample. As a result, chemical reactions due to unwanted interference with the rubber itself are…