Globe Scientific
Flange Plug Caps, Polyethylene, Green — 12/13/16 mm, 1000/Case | Globe Scientific
Flange Plug Caps, Polyethylene, Green — 12/13/16 mm, 1000/Case | Globe Scientific
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Green Flange Plug Caps for 12, 13 & 16 mm Test Tubes — 1000/Case
These Globe Scientific Flange Plug Caps deliver a secure snap-fit seal for standard glass and plastic test tubes across three common diameters. The flanged design grips the tube rim for reliable closure during sample transport, short-term storage, and benchtop processing in clinical and research labs.
Technical Specifications
| Product Type | Flange Plug Cap |
| Volume/Size | 12 mm, 13 mm, 16 mm (tube diameter) |
| Material | Polyethylene |
| Closure/Cap | Flange plug, snap-fit, green |
| Sterility | Non-sterile |
| Pack Size | 1000 per case |
Available Sizes
| 12 mm | 118127G | $36.70 |
| 13 mm | 118240G | $37.00 |
| 16 mm | 116152G | $51.20 |
Applications
- Sealing culture and specimen tubes for short-term refrigerated storage
- Color-coding sample sets by protocol or department with green caps
- Securing tubes during rack transport between bench and centrifuge area
- Closing clinical chemistry and hematology collection tubes post-aliquot
- Capping disposable tubes in teaching and microbiology labs
- Preventing evaporation and contamination during incubation steps
Quality & Procurement
labsupplies.com is an authorized Globe Scientific dealer shipping from US inventory. Each case carries lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited labs. Institutional and grant-funded tiered pricing is available — contact our procurement team for volume quotes and standing orders.
Frequently Asked Questions
Which tube diameters do these caps fit?
Three sizes are offered to match common test tubes: 12 mm (SKU 118127G), 13 mm (SKU 118240G), and 16 mm (SKU 116152G). Confirm your tube's outer rim diameter before ordering.
What material are the flange plug caps made from?
They are molded from polyethylene, providing a flexible flange that snaps over the tube rim and holds securely while remaining easy to remove by hand.
Are these caps sterile?
No. The caps are supplied non-sterile in bulk cases of 1000. For sterile workflows, autoclave compatibility should be verified against your tube and protocol requirements.
How are the caps packaged and sold?
Each SKU is sold per case of 1000 caps in a single green color. Listed prices are per case, with tiered institutional pricing available on request.
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