Description
Closure caps for test tubes are essential accessories in laboratory workflows that demand contamination-free storage and secure sealing of samples. Manufactured from chemical-resistant rubber, these flexible caps are engineered to snugly fit a range of standard test tube diameters, providing a reliable barrier against dust, moisture, and accidental spillage.
The design of the cap ensures a tight and reliable seal, helping to preserve sample integrity during storage, handling, and transport. These caps are ideal for applications such as microbiology culture work, reagent containment, clinical sampling, and general lab storage where preventing external contamination or evaporation is critical.
| Size for Tube (mm) | Pack of | SKU | Enquiry |
|---|---|---|---|
| 12 | 100 | CCTT-0012 | Enquire Now |
| 15 | 100 | CCTT-0015 | Enquire Now |
| 18 | 100 | CCTT-0018 | Enquire Now |
| 20 | 100 | CCTT-0020 | Enquire Now |
| 25 | 100 | CCTT-0025 | Enquire Now |
Frequently Asked Questions (FAQs)
These are made from chemical-resistant rubber that flexes to form a tight seal on the tube mouth.
They fit standard lab test tube diameters; users should verify compatibility with specific tube sizes.
Yes — they are durable and designed for multiple uses as long as they remain clean and intact.
Yes — the tight seal and material stability make them suitable for both short- and long-term sample storage.
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