Adelphi Healthcare

Diagnostic Stoppers

Diagnostic Stoppers from West Pharmaceutical Services are designed specifically for in-vitro diagnostics (IVD) applications, providing a secure and contamination-resistant seal for diagnostic vials. Manufactured with high-purity materials, these stoppers ensure compatibility with sensitive diagnostic reagents and assays.

Key features

  • Engineered for in-vitro diagnostic applications requiring high chemical resistance.
  • Manufactured with low-extractable elastomer formulations to protect sensitive reagents.
  • Provides a tight, secure seal to maintain sample integrity and prevent contamination.
  • Available in various designs to accommodate liquid or lyophilised diagnostic reagents.

Technical specifications

  • Material: High-purity bromobutyl and chlorobutyl formulations for diagnostic applications
  • Extractables: Low extractables profile to protect sensitive reagents
  • Sterilisation: Available in ready-to-sterilise (RTS) and ready-to-use (RTU) formats
  • Regulatory Compliance: Compliant with global diagnostic packaging requirements

Stock list

Download our Diagnostic Closures stocklist

A selection of serum and lyophilisation diagnostic stoppers.
A West freeze-dry serum stopper.
A West diagnostic serum stopper.

Product Details

Diagnostic Stoppers from West Pharmaceutical Services are designed specifically for in-vitro diagnostics (IVD) applications, providing a secure and contamination-resistant seal for diagnostic vials. Manufactured with high-purity materials, these stoppers ensure compatibility with sensitive diagnostic reagents and assays.

Product Applications

Ideal for diagnostic manufacturers producing reagent kits, sample collection systems and assay packaging where purity, seal integrity and chemical compatibility are essential. Common uses include clinical chemistry, immunoassay and molecular diagnostics packaging.

Why Choose Adelphi?

  • Stock Held On-Site

    We hold stock in the UK and US. Fast delivery available on our most popular product lines.

  • Expert Support at Every Step

    Our knowledgeable team is here to offer advice and support at every stage of your project.

  • Scalable Solutions

    With low MOQs and large inventories, our service grows with you from development to production and beyond.

  • Trusted Across Industries

    Serving the pharma, biotech, diagnostic and associated industries for over 50 years.

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