Globe Scientific
Flange Plug Caps, White Polyethylene — 12/13/16 mm Test Tube Closures, 1000/Case | Globe Scientific
Flange Plug Caps, White Polyethylene — 12/13/16 mm Test Tube Closures, 1000/Case | Globe Scientific
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White Flange Plug Caps for 12, 13 & 16 mm Test Tubes — 1000/Case
The Globe Scientific Flange Plug Caps are push-fit polyethylene closures designed to seat firmly inside 12, 13, and 16 mm round-bottom and culture tubes. Labs rely on them for routine specimen storage, sample transport, and sealing diagnostic or culture tubes between processing steps. Their flanged design allows quick one-hand insertion and removal at the bench.
Technical Specifications
| Product Type | Flange Plug Cap (test tube closure) |
| Size Range | 12 mm, 13 mm, 16 mm (tube ID fit) |
| Material | Polyethylene |
| Closure/Cap | Push-fit flange plug |
| Color | White |
| Sterility | Non-sterile |
| Pack Size | 1000 per case |
Available Sizes
| Size | SKU | Price (per case of 1000) |
| 12 mm | 118127W | $36.70 |
| 13 mm | 118240W | $37.00 |
| 16 mm | 116152W | $51.20 |
Applications
- Sealing 12, 13, and 16 mm culture and specimen tubes during storage
- Closing serology and hematology sample tubes prior to transport
- Capping reagent and dilution tubes on the bench
- Securing aliquot tubes for short-term refrigerated holding
- Reclosing tubes between centrifugation or vortex steps
- General-purpose closure for round-bottom and flat-bottom test tubes
Quality & Procurement
labsupplies.com is an authorized Globe Scientific dealer shipping from US inventory. Each case carries a lot number to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact our procurement team for volume quotes across all three sizes.
Frequently Asked Questions
What tube diameters do these flange plug caps fit?
Three sizes are offered to match common tube formats: 12 mm, 13 mm, and 16 mm. Select the cap that corresponds to your tube's inner diameter for a snug push-fit seal.
Are these caps sterile?
No. These flange plug caps are supplied non-sterile and are intended for general laboratory and specimen-handling use rather than aseptic applications.
How are the caps packaged?
Each size ships in a case of 1000 caps. Listed prices are per case, and every case includes a lot number for traceability.
What material are the caps made from?
The caps are molded from polyethylene, a flexible, low-cost plastic that forms a reliable push-fit seal and resists most aqueous laboratory solutions.
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