Lyophilization stoppers

West Pharmaceutical Services rubber stoppers for freeze-dried preparations are high-quality primary packaging solutions. The freeze drying stoppers are manufactured in accordance with the applicable GMP guidelines (DIN EN ISO 15378) under defined and certified process conditions. The lyophilization stoppers are available in diameters of 13 mm and 20 mm in the latest West formulations 4432/50 (chlorobutyl) or 4023/50 (bromobutyl), among others. Also available are rubber stoppers with FluroTec® barrier film or Diagnostic stoppers in 14 mm and 18 mm diameters in West formulations PH 701/40/OW wine red or 4023/50 grey.

For other West rubber formulations and stopper designs, please contact us.

 

Size: 13 mm 20 mm 13 mm FluroTec® 20 mm FluroTec®
US Design: V-50-I LyoTec® S-87-I LyoTec® V2-F451W V10-F597W
US Formulation: 4432/50 chlorobutyl 4432/50 chlorobutyl 4432/50 Chlorobutyl 4432/50 Chlorobutyl
Europe Design: 1079 1319 1356 1346
Europe Formulation: 4023/50 bromobutyl 4023/50 bromobutyl 4023/50 bromobutyl 4023/50 bromobutyl
Siliconized: X X    
B-2 Coating: Optional Optional X X
FluroTec®:     X X
Westar® RS / RU: X X X X
Westar® Select RS / RU: X X X X
Envision™: X X X X
NovaPure® RS / RU:     X X

Ø: Design: Compound: Silicone / B2: Coating: Finishing: Color:
13 mm 1079 4023/50 Silicone A   RTS grey
  1356 4023/50 B2-TR Flurotec® Westar® RS grey
  1356 4023/50 B2-TR Flurotec® Westar® Select RS grey
  1356 4023/50 B2-TR Flurotec® NovaPure® RS grey
  1356 4023/50 B2-TR Flurotec® NovaPure® RU grey
  V2-F8W D-713 RB2-TR Flurotec® RSV® grey
20 mm 1014 4416/50 Silicone A   Westar® RS grey
  1319 4023/50 Silicone A   RTS grey
  1319 4023/50 B2-42   Westar® RS grey
  1319 4023/50 B2-42   Westar® Select RS grey
  1346 4023/50 B2-TR Flurotec® Westar® RS grey
  1346 4023/50 B2-TR Flurotec® Westar® Select RS grey
  1346 4023/50 B2-TR Flurotec® NovaPure® RS grey
  1346 4023/50 B2-TR Flurotec® NovaPure® RU grey
  1718 4020/45 Silicone ½ A   RTS grey
  V10-F22W D 713 RB2-TR Flurotec® RSV® grey

 

Diagnostic stoppers:

Ø: Design: Compound: Silikon / B2: Beschichtung: Endbehandlung: Farbe:
14 mm 1006 PH 701/40/OW Silicone ½ A   Standard wine red
  1067 PH 701/40/OW Silicone ½ A   Standard wine red
18 mm 1008 PH 701/40/OW Silicone A   Standard wine red
  1008 4023/50       grey

Drawings / data sheets of the stopper designs and rubber formulations or other helpful specifications and documentation are available on request.

 

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