0.5 mL Conical Microcentrifuge Tubes with Tethered Cap — Green PPC, 1000/Bag (214-3425-G80)
These 0.5 mL conical microcentrifuge tubes feature a permanently attached tethered cap and are molded from polypropylene copolymer (PPC) for enhanced flexibility and impact resistance during high-speed centrifugation runs. Supplied non-sterile in sealed 1000/Bag packaging, part number 214-3425-G80 includes molded graduation markings for direct visual volume estimation and a distinctive green color for rapid sample-type identification in multi-tube rack workflows. Lot-to-lot dimensional consistency ensures reliable fit in standard 0.5 mL microcentrifuge rotor positions across routine and high-throughput laboratory settings.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number (MPN) | 214-3425-G80 |
| Volume | 0.5 mL |
| Bottom Style | Conical |
| Cap Style | Tethered (permanently attached) |
| Graduations | Molded volume markings |
| Material | Polypropylene Copolymer (PPC) |
| Color | Green |
| Sterility | Non-Sterile |
| BPA / Phthalate Free | Yes |
| Pack Size | 1000/Bag |
| Country of Origin | USA |
Applications
- PCR and qPCR reaction setup requiring precise microvolume handling
- DNA and RNA extraction with conical low-dead-volume geometry for maximum sample recovery
- Enzyme reactions and short-term reagent storage at bench or in cold storage
- Cell pelleting and microvolume sample processing in clinical and research workflows
- Color-coded sample organization — green tubes allow at-a-glance sample-type differentiation in multi-tube microcentrifuge racks
Chemical Resistance
| Reagent / Condition | Compatibility |
|---|---|
| Aqueous buffers / saline | Excellent |
| Dilute acids | Excellent |
| Dilute bases | Excellent |
| Methanol | Compatible |
| Isopropanol | Compatible |
| Acetonitrile | Compatible |
| Aromatic / chlorinated solvents | Not recommended |
Quality & Procurement
Made in USA, these Caplugs® Evergreen microcentrifuge tubes are manufactured from BPA-free, phthalate-free polypropylene copolymer resin with lot-level quality controls that ensure consistent geometry, wall thickness, and tethered cap hinge durability across every bag. The polypropylene copolymer (PPC) formulation provides greater flexibility and crack resistance compared to standard PP homopolymer, making these tubes particularly well suited to high-speed centrifugation. LabSupplies.com is an authorized Caplugs® Evergreen dealer shipping from USA inventory, with tiered pricing available for high-volume institutional and grant-funded purchasing.
Frequently Asked Questions
Are these microcentrifuge tubes sterile?
No — they are supplied non-sterile in sealed 1000/Bag packaging. For applications requiring sterile tubes, look for the sterile-certified variants in the Caplugs® Evergreen line.
What is the advantage of a tethered cap versus a separate snap cap?
The tethered cap is permanently attached via a flexible hinge, so it cannot be misplaced, mixed with another tube, or accidentally dropped during high-throughput pipetting. Single-handed open-and-close operation also helps maintain workflow pace in repetitive microvolume processing.
Why is polypropylene copolymer (PPC) used instead of standard polypropylene?
PPC offers enhanced flexibility and impact resistance compared to standard PP homopolymer, reducing the risk of tube cracking or cap hinge fatigue during high-speed microcentrifuge runs and repeated freeze-thaw cycles.
Will these tubes fit my standard microcentrifuge rotor?
These tubes are designed to the standard 0.5 mL conical format and are compatible with typical 0.5 mL rotor positions. Because rotor designs vary by manufacturer and model, verify the rotor's tube-diameter and depth specifications against your instrument's documentation before switching from your current supplier.