Rubber Stoppers

Standard Stoppers

Rubber Stoppers manufactured by West including 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, chlorobutyl and silicone materials
  •   Latex-free
Standard Rubber 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 20 mm injection stopper, silicone A, Ready-to-Sterilise (RtS) 4023/50 Bromobutyl grey
C INJW20S 1185 20 mm injection stopper, no free silicone, foil bag 8763/40 Silicone transparent
D INJ20WC 1213 20 mm injection stopper, no free silicone, poly bag 4601/45 Chlorobutyl white
E FDW13WRS 1079 13mm lyophilisation stopper, silicone 4.5, Westar RS® 4023/50 Bromobutyl grey
F FDW20RTS 1319 20mm lyophilisation stopper, silicone A, Ready-to-Sterilise (RtS) 4023/50 Bromobutyl grey
G INJW32G3RTS 4440 32mm infusion stopper, silicone A, Ready-to-Sterilise (RtS) 4023/50 Bromobutyl grey

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

WestarRS product is provided with a higher level of certification than the RtS equivalent.

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 our guide on Standard Rubber Stoppers

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