Globe Scientific
Flange Plug Caps, Polyethylene — 12/13/16 mm, Yellow, 1000/Pack | Globe Scientific
Flange Plug Caps, Polyethylene — 12/13/16 mm, Yellow, 1000/Pack | Globe Scientific
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Flange Plug Caps, Yellow Polyethylene — 12, 13 & 16 mm, 1000/Pack
These Globe Scientific Flange Plug Caps deliver a secure push-in snap closure for standard glass and plastic test tubes across three rim diameters. Bright yellow polyethylene supports color-coded sample sorting, specimen storage, and routine tube sealing in clinical, microbiology, and general bench workflows.
Technical Specifications
| Product Type | Flange Plug Cap (push-in closure) |
| Size (range across variants) | 12 mm, 13 mm, 16 mm tube rim |
| Material | Polyethylene |
| Closure/Cap | Flange plug, snap-fit / push-in |
| Color | Yellow |
| Sterility | Non-sterile |
| Pack Size | 1000 caps per pack |
Available Sizes
| Size | SKU | Price (per pack of 1000) |
| 12 mm | 118127Y | $36.70 |
| 13 mm | 118240Y | $37.00 |
| 16 mm | 116152Y | $51.20 |
Applications
- Sealing glass or plastic test tubes for short-term specimen storage
- Color-coding sample racks by assay, patient batch, or workflow stage
- Capping culture tubes during transport between bench and incubator
- Closing serology and hematology tubes in clinical labs
- Preventing evaporation and spillage during sample queuing
- General-purpose tube closure in teaching and research settings
Quality & Procurement
labsupplies.com is an authorized Globe Scientific dealer shipping from US inventory. Each pack carries lot numbers 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.
Frequently Asked Questions
How do I choose between the 12, 13, and 16 mm flange plug caps?
Select the size that matches your tube's inner rim diameter. The 12 and 13 mm caps suit small-bore tubes such as serology and microhematocrit formats, while the 16 mm cap fits larger culture and collection tubes.
Are these caps sterile?
No. These flange plug caps are supplied non-sterile. For aseptic procedures, autoclave compatibility depends on your protocol; polyethylene has a limited heat tolerance, so verify before steam sterilizing.
How many caps come in each pack?
Each pack contains 1000 caps, priced per pack. Pricing varies by size, and tiered institutional discounts apply to larger order quantities.
Can the yellow color be used for sample identification?
Yes. The uniform yellow polyethylene is ideal for color-coded organization, letting technicians distinguish batches, assays, or processing stages at a glance across a tube rack.
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