5 mL Polypropylene Test Tubes with Attached Screw Cap, 12 x 75mm — 250/Bag, 1000/Case
The Globe Scientific Test Tube with Attached Screw Cap pairs a 12 x 75mm polypropylene body with a captive, color-coded closure that stays with the tube to prevent loss and cross-contamination. Bench teams rely on these tubes for routine sample storage, aliquoting of reagents, and color-coded specimen sorting across clinical and research workflows.
Technical Specifications
| Product Type | Test Tube with Attached Screw Cap |
| Volume/Size | 5 mL, 12 x 75mm |
| Material | Polypropylene (PP) |
| Closure/Cap | Attached white or red screw cap |
| Sterility | Non-sterile |
| Pack Size | 250/Bag, 4 Bags/Case (1000/Case) |
Available Colors
| Test Tube with Attached White Screw Cap — Case of 1000 | 6148W | $175.10 |
| Test Tube with Attached Red Screw Cap — Case of 1000 | 6148R | $175.10 |
Applications
- Aliquoting buffers, reagents, and standards for daily bench use
- Sample storage and short-term archiving at ambient or refrigerated temperatures
- Color-coded specimen sorting and batch identification
- Sample collection and transport where cap retention is critical
- Serial dilutions and small-volume sample prep
- Reagent kitting and assembly for assay workflows
Quality & Procurement
Purchased through labsupplies.com, an authorized Globe Scientific dealer shipping from US inventory. Each bag and case carries lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available on request for high-volume procurement.
Frequently Asked Questions
What is the unit of sale for these test tubes?
Each pack is sold as a full case of 1000 tubes, packaged as four bags of 250 tubes. The listed price of $175.10 is per case.
Are the caps permanently attached to the tubes?
Yes. Each tube features a captive screw cap that remains tethered to the tube body, preventing cap loss and reducing cross-contamination during handling.
Are these tubes sterile?
No. These polypropylene tubes are supplied non-sterile. For applications requiring sterility, the tubes should be sterilized in-house using a validated method or paired with a sterile workflow.
What does the cap color indicate?
Cap color is for organizational color-coding only. White (6148W) and red (6148R) caps let labs sort batches, samples, or assay types visually; both share identical tube specifications.