Click HERE for Best-Practices for Crimping Caps on Vials.


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Our goal is to provide the best Customer Experience possible. If you cannot find what you are looking for, have any questions or would like to give us a suggestion please use any of the following ways to contact us directly. We would love to hear from you.

  • Call us: 8:30AM – 6:00PM EST 1-732-380-8900 and hit 0#

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  • Email Customer Support


We are always ready to lend any support we can. Our experienced scientists and professionals are ready to assist you with any technical support questions. Every question is considered a good question and we will work with you on a solution as fast as possible.

  • Call us: 8:30AM – 6:00PM EST 1-732-380-8900 and hit 0#

  • Fax to us: 1-910-769-9435

  • Email Technical Support


Standard Aluminum Caps | Septa Only | Perfect Seal

Crimp caps, also known as aluminum seals, provide the longest-lasting, tightest seal when properly applied to matching serum finish vials. However, it’s crucial to apply the right amount of force. Too much force can lead to broken glass vials, cap dimples, folds in the septa material, and aluminum wrinkles. Too little force can result in poor seals and lack of compression.

High-Quality, Non-Magnetic Aluminum Caps

  • Our aluminum caps are non-magnetic and come with high-quality pre-inserted septa. For those who prefer open hole caps, we offer options that require septa to be purchased separately and manually inserted.

Soft-Guard™ Caps: The Popular Choice

  • Our Soft-Guard™ caps are the top choice due to their specially designed septa durometer, which allows for easy needle penetration, reducing stress on instruments and minimizing missed injections.

Ready to Order? Click HERE to visit our crimp top vial ordering page.


Enhance your lab’s efficiency with MicroSolv™ crimp caps, designed for optimal performance and reliability.

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