Caplugs® Evergreen 50 mL Conical Centrifuge Tubes, Sterile PPC, Natural with Green Caps, Unassembled, 10/Bag
The Caplugs® Evergreen 50 mL Conical Centrifuge Tubes deliver a sterile, polypropylene copolymer (PPC) vessel with a natural body and green screw caps, shipped unassembled in convenient 10/Bag units. Built for cell pelleting, sample storage, and clinical sample collection, these tubes withstand high-speed centrifugation while maintaining clear visibility of fill levels and pellets.
Technical Specifications
| Product Type | Conical Centrifuge Tubes |
| Volume/Size | 50 mL |
| Material | Polypropylene Copolymer (PPC), Natural |
| Closure/Cap | Green Screw Cap (unassembled) |
| Sterility | Sterile |
| Pack Size | 10/Bag |
| Country of Origin | USA |
Applications
- Pelleting mammalian cells and microbial cultures by centrifugation
- Storage and transport of liquid biological samples
- Clinical specimen collection and processing
- Buffer, media, and reagent aliquoting
- Protein precipitation and extraction protocols
- Sample prep for downstream molecular and proteomic workflows
Quality & Procurement
labsupplies.com is an authorized Caplugs® Evergreen dealer shipping from US inventory, and these tubes are Made in USA. Each bag and case carries lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited labs. Institutional and grant-funded tiered pricing is available for repeat and bulk procurement.
Frequently Asked Questions
Are these centrifuge tubes shipped assembled with the caps on?
No. These tubes ship unassembled, meaning the natural PPC tubes and green screw caps are packaged separately within each bag for user assembly prior to use.
What material are the 50 mL tubes made from?
The tube body is molded from polypropylene copolymer (PPC) in a natural finish, providing strong centrifugation tolerance and good chemical compatibility for routine lab reagents.
Are these tubes sterile?
Yes. The tubes are supplied sterile, making them suitable for cell culture, clinical specimen collection, and other applications requiring a contamination-free vessel.
How are the tubes packaged?
They are sold as 10/Bag, organized in 10/Bag units for clean dispensing and to help maintain sterility until each bag is opened.