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    5. 4040/40 Formulation

4040/40 Formulation

Designed with the Future in Mind

4040/40 delivers reliability and functionality that comes from a scientifically developed formulation paired with West's nearly 100 year leadership in injectable drug containment and administration.
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New and Versatile Chlorobutyl Platform:

  • Quality-by-Design (QbD) approach to material selection and component analysis
  • Expert level of ingredients understanding
  • Low particulate levels by design
  • Risk-mitigated raw materials with secondary sources

4040/40 Product specifications

4040/40 Packaging Options

Westar®, LyoTec® and Envision® are registered trademarks of West Pharmaceutical Services, Inc., in the United States and other jurisdictions.
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Delivering Over

40 Billion

Components and Devices Each Year