Globe Scientific
Flange Plug Caps, Clear Polyethylene — 12, 13 & 16 mm Test Tube Closures, 1000/Case | Globe Scientific
Flange Plug Caps, Clear Polyethylene — 12, 13 & 16 mm Test Tube Closures, 1000/Case | Globe Scientific
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Clear Flange Plug Caps for 12, 13 & 16 mm Test Tubes, 1000/Case
The Globe Scientific Flange Plug Caps are clear polyethylene push-fit closures designed for round-bottom and culture test tubes across three common diameters. Bench scientists rely on these caps for sample storage, specimen transport, and routine culture-tube sealing where a quick, leak-resistant push closure keeps contents secure.
Technical Specifications
| Product Type | Flange Plug Cap (test tube closure) |
| Volume/Size | Fits 12 mm, 13 mm, and 16 mm tube diameters |
| Material | Polyethylene |
| Closure/Cap | Flange plug, push-fit design |
| Color | Clear |
| Sterility | Non-sterile |
| Pack Size | 1000 caps per case |
Available Sizes
| Size | SKU | Price (per case of 1000) |
| 12 mm | 118127C | $36.70 |
| 13 mm | 118240C | $37.00 |
| 16 mm | 116152C | $51.20 |
Applications
- Sealing round-bottom culture tubes for short-term sample storage
- Capping specimen tubes during transport between bench and lab sections
- Closing serology and immunology assay tubes after pipetting
- Securing reagent or dilution tubes in racks to limit evaporation
- Microbiology workflows requiring quick push-fit access to tube contents
- Educational and teaching-lab test tube setups needing reusable closures
Quality & Procurement
labsupplies.com is an authorized Globe Scientific dealer shipping from US inventory. Each case carries lot numbers supporting 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 mixed size orders.
Frequently Asked Questions
Which test tubes do these flange plug caps fit?
They are sized to fit tubes with 12 mm, 13 mm, and 16 mm outer diameters. Select the SKU matching your tube diameter, as the flange plug seats into the tube mouth.
Are these caps sterile?
No. The flange plug caps are supplied non-sterile and are intended for routine, non-aseptic applications such as storage, transport, and general benchwork.
What material are the caps made from?
They are molded from polyethylene, a flexible plastic that allows the flange to compress and seat firmly for a push-fit seal.
How many caps come in each pack?
Each case contains 1000 caps, and the listed price is per case. Lot numbers on every case support traceability for accredited lab workflows.
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