Caplugs® Evergreen 15 mL Conical Centrifuge Tubes, Sterile Polystyrene, Natural with Green Screw Caps — 25/Bag
The Caplugs® Evergreen 15 mL Conical Centrifuge Tubes are sterile, polystyrene vessels supplied unassembled with natural tubes and green screw caps. Engineered for sample collection, cell pellet recovery, and routine clarification spins, these tubes deliver clear optical reading and reliable performance across clinical and research workflows.
Technical Specifications
| Product Type | Conical Centrifuge Tubes |
| Volume/Size | 15 mL |
| Material | Polystyrene (PS), Natural |
| Closure/Cap | Green Screw Cap (supplied unassembled) |
| Graduation | Molded graduations with marking spot |
| Sterility | Sterile |
| Pack Size | 25/Bag |
| Country of Origin | USA |
Applications
- Collection and transport of biological samples and aliquots
- Cell pellet recovery after low- to medium-speed centrifugation
- Serum and plasma separation in clinical sample prep
- Reagent and buffer storage in volumes up to 15 mL
- Sample dilution and serial preparation at the bench
- Short-term specimen handling in CAP- and CLIA-regulated workflows
Quality & Procurement
labsupplies.com is an authorized Caplugs® Evergreen dealer shipping from US inventory. These tubes are Made in USA and supplied sterile. Each bag carries lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available for high-volume procurement.
Frequently Asked Questions
Are these tubes supplied with caps attached?
No. They ship unassembled, with green screw caps packaged separately alongside the natural polystyrene tubes, so you can assemble as needed for your protocol.
What centrifuge speed can polystyrene 15 mL tubes withstand?
Polystyrene conical tubes are intended for low- to medium-speed centrifugation. Confirm the maximum rated g-force against your rotor and protocol before high-speed runs.
Are these tubes sterile and suitable for cell work?
Yes. Each tube is supplied sterile, making it appropriate for sterile sample collection, pellet recovery, and routine cell-handling steps where contamination control matters.
How are the tubes packaged and tracked?
Tubes are supplied 25 per bag, with each bag carrying a lot number to support traceability for accredited clinical and research laboratories.