Caplugs® Evergreen 15 mL Threaded Conical Centrifuge Tubes, Polystyrene, Natural, Non-Sterile, 1000/Bag
The 15 mL threaded conical centrifuge tubes from Caplugs® Evergreen deliver consistent fit and clarity for routine sample prep, cell pelleting, and reagent aliquoting. Molded from polystyrene with a natural finish, these non-sterile tubes suit high-throughput benches that process large sample volumes without sterility requirements.
Sold without caps. These tubes ship uncapped in bulk. Close them with Caplugs Evergreen 300-3010 screw caps, sold separately in 1000-cap bags in nine colours; sterile caps are 222-3010.
Technical Specifications
| Product Type | Threaded Conical Centrifuge Tubes |
| Volume/Size | 15 mL |
| Material | Polystyrene (PS) |
| Closure/Cap | Threaded neck; cap not included — use 300-3010 screw caps |
| Color | Natural |
| Sterility | Non-Sterile |
| Pack Size | 1000/Bag |
| Country of Origin | USA |
Applications
- Cell pelleting and resuspension in routine cell culture workflows
- Aliquoting reagents, buffers, and standards for bench-scale assays
- Sample collection and short-term storage of non-sterile specimens
- Density gradient and clarification spins within rated g-forces
- Reagent preparation in teaching and high-volume QC labs
- Bulk dilution and mixing steps prior to downstream analysis
Quality & Procurement
labsupplies.com is an authorized Caplugs® Evergreen dealer shipping from US inventory. These tubes are made in the USA.
Frequently Asked Questions
Are these centrifuge tubes sterile?
No. These tubes ship non-sterile and are intended for applications that do not require pre-sterilized labware. Verify your protocol's sterility requirements before use.
What material are the tubes made from?
The vessels are molded from polystyrene (PS), which provides good optical clarity for visual inspection of pellets and sample volumes. Confirm reagent compatibility with PS for your specific chemistry.
Do the tubes include caps?
No. The tubes ship without caps. They take Caplugs Evergreen 300-3010 screw caps, or 222-3010 caps where you need them sterile.
How are the tubes packaged?
They are supplied 1000 tubes per bag.
