Caplugs® Evergreen 30 mL Freestanding Centrifuge Tubes, Sterile PPC, Natural Body with Green Caps, 10/Bag
The Caplugs® Evergreen 30 mL Freestanding Centrifuge Tubes are molded from polypropylene copolymer (PPC) with a self-standing base, letting tubes stand upright without a rack during sample collection, decanting, and reagent transfers. Supplied sterile and unassembled with green screw caps, they suit clinical specimen processing, cell culture handling, and routine spin-down protocols.
Technical Specifications
| Product Type | Freestanding Centrifuge Tube |
| Volume/Size | 30 mL |
| Material | Polypropylene Copolymer (PPC), Natural |
| Closure/Cap | Green Screw Cap (supplied unassembled) |
| Sterility | Sterile |
| Pack Size | 10/Bag |
| Country of Origin | USA |
Applications
- Collection and transport of biological specimens prior to processing
- Cell suspension handling and pellet recovery after centrifugation
- Reagent and buffer aliquoting where upright bench storage is needed
- Sample preparation in clinical, microbiology, and molecular workflows
- Decanting and supernatant transfer without rack support
- Short-term refrigerated or frozen storage of aqueous samples
Quality & Procurement
labsupplies.com is an authorized Caplugs® Evergreen dealer shipping from US inventory. These tubes are Made in USA. Each bag carries lot numbers that support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available for volume orders.
Frequently Asked Questions
Do these tubes come with the caps attached?
No. The tubes ship unassembled, with the natural PPC tubes and green screw caps packaged separately within each bag of 10.
Are the tubes sterile out of the bag?
Yes. They are supplied sterile, making them ready for clinical specimen collection and cell culture work without additional processing.
Can these tubes stand on their own?
Yes. The freestanding base lets each 30 mL tube remain upright on the bench without a rack during filling, decanting, and reagent transfers.
What material are the tubes made from?
The tubes are molded from polypropylene copolymer (PPC) in a natural color, offering good rigidity and chemical tolerance for routine aqueous laboratory samples.