Rubber stoppers for injection and freeze drying

Standard West Rubber Stoppers

Our range of West Rubber Stoppers include Injection Stoppers and Freeze Dry (Lyophilisation) Stoppers to suit 13mm, 20mm and 32mm necked vials and bottles.

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Product Details

  •   Injection and Freeze Dry (lyophilisation) stoppers
  •   To suit 13mm, 20mm and 32mm necked vials and bottles
  •   Produced from bromobutyl latex-free rubber
  •   Latex-free
Injection stoppers and freeze dry stoppers

Item Code West Art. Description Formulation
A INJW13RTS 1104 13 mm injection stopper, silicone A, Ready-to-Sterilise (RtS) 4023/50 Bromobutyl grey
B INJW20RTS 1071 20mm injection stopper, silicone A, Ready-to-Sterilise (RtS) 4023/50 Bromobutyl grey
C
FDW13WRS 1079 13mm lyophilisation stopper, silicone 4.5, Westar RS®
4023/50 Bromobutyl grey
D
FDW20RTS 1319 20mm lyophilisation stopper, silicone A, Ready-to-Sterilise (RtS) 4023/50 Bromobutyl grey
E INJW32G3RTS
4440 32mm infusion stopper, silicone A, Ready-to-Sterilise (RtS) 4023/50 Bromobutyl grey

Ready to Sterilize (RtS), Westar®RS (WRS) and Westar® Select RS (WSRS): Injection Stoppers are washed, with a final rinse in WFI, and packed in a class 100 clean room into a STERIlizableBAG.

Westar®RS product is provided with a higher level of certification than the RtS equivalent.

Westar® Select RS stoppers conform to tighter particulate specifications and an enhance AQL program.

For further examples of Injection Stoppers and Freeze Dry Stoppers please see our page on West's hi-tech FluroTec® Stoppers.

Click below to view a guide to our Stock Rubber Stoppers, including article numbers, formulation references and packaging format.

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