Click HERE for Frequently Asked Questions (FAQ) about Headspace Vials & Caps.

No Application Notes information

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 | Safety caps | SPME | Screw caps | Septa Only.

Headspace analysis can be optimized by using the proper vial and cap combination. While crimp caps (aluminum and steel) will provide the best long-term seal, this is only true if the caps are crimped on properly with a calibrated crimping tool. For some caps, it takes significant hand pressure to get the seal needed and this can cause a lack of compliance in the laboratory. If too much force is used, you can produce broken glass vials, cap dimples, folds in the septa material, aluminum wrinkles. With too little force you can product poor seals and lack of compression.

For this reason, we offer screw caps for headspace. These 18mm, high precision threaded, metal, screw caps with a fitted septa offer an alternative to traditional crimp caps. They can be applied more rapidly to the vial but must be matched with the vial thread and thread pitch for a proper seal. All MicroSolv™ screw top, headspace caps, work well with all the screw top, headspace vials we offer.

  • Click HERE for headspace vials ordering page.

  • Click HERE for headspace crimping tools.

  • Click HERE for a headspace decapper tool.

NOTE: Most of our silver, aluminum, 20 mm crimp caps include a clear lacquered surface. This extra coating is only for appearance and does not impact the performance of the caps.

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