Adelphi Healthcare USA

18mm Screw Caps

Tamper-evident (TE) and child-resistant (CR) screw caps are designed to seal glass bottles containing oral medications, protecting both the contents and the patient.

Key features

Choose From

  • Tamper-evident caps protect the container from mishandling and counterfeiting.
  • Child-resistant caps help to prevent opening by minors, safeguarding children.
  • PTFE-lined caps provide a barrier between the contents and the plastic of the cap, recommended for sensitive or aggressive formulations.

Product compatibility

  • Available in tamper-evident or child-resistant designs.
  • Suitable for many oral drug formulations.

Technical specifications

  • Material: HDPE (high-density polyethylene) with Teflon insert, or PP (Polypropylene)
  • Sterilization: Non-sterile.
A selection of white 18mm screw caps with different features.
Two white child-resistant and tamper-evident screw caps.
Two 18mm tamper-evident screw caps.
Two-lined 18mm tamper-evident screw caps.

Product Applications

These 18mm screw caps are designed to seal oral medication bottles with an 18mm neck finish.

For use in clinical settings and for OTC medications.

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Why Choose Adelphi?

  • Stock Held Onsite

    We hold stock in the UK and US. Fast shipping 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 related industries for over 50 years.

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