Globe Scientific
Universal Tube Caps, Snap-On PE, Fits 12/13/16 mm Tubes — Clear/Natural, 1000/Pack | Globe Scientific
Universal Tube Caps, Snap-On PE, Fits 12/13/16 mm Tubes — Clear/Natural, 1000/Pack | Globe Scientific
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Universal Snap-On Tube Caps, Clear/Natural Polyethylene, Fits 12/13/16 mm Tubes — 1000/Pack
The Globe Scientific Universal Tube Cap is a snap-on polyethylene closure sized to seat securely on most 12 mm, 13 mm, and 16 mm laboratory tubes. Clear/natural translucency keeps contents visible, supporting routine sample storage, culture tube sealing, and general-purpose specimen capping across high-throughput benches.
Technical Specifications
| Product Type | Universal Snap-On Tube Cap |
| Fits Tube Diameter | 12 mm, 13 mm, and 16 mm tubes |
| Material | Polyethylene (PE) |
| Closure | Snap-on, push-fit |
| Color | Clear/Natural (translucent) |
| Sterility | Non-sterile |
| Pack Size | 1000 caps per pack |
Available Options
| Universal Cap, Clear/Natural, fits 12/13/16 mm | 118115C | $57.80 |
Applications
- Sealing 13 mm and 16 mm culture and test tubes between protocol steps
- Capping centrifuge and specimen tubes for short-term sample storage
- Closing 12 mm tubes used in serial dilution and aliquoting workflows
- Reducing evaporation in reagent and buffer holding tubes
- General-purpose closure for mixed-diameter tube racks
- Replacement caps for clinical and research tube inventories
Chemical Resistance
| Reagent Class | Compatibility |
| Aqueous buffers | Excellent |
| Dilute acids | Good |
| Dilute bases | Good |
| Alcohols | Good |
| Acetonitrile | Limited |
| Aromatic solvents | Poor |
| Chlorinated solvents | Poor |
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 team for quantity quotes on standing tube-cap orders.
Frequently Asked Questions
Which tube diameters do these universal caps fit?
The cap is designed to seat on most 12 mm, 13 mm, and 16 mm laboratory tubes, giving one closure for mixed-diameter racks and reducing the need to stock multiple cap sizes.
What material are these caps made from?
They are molded from polyethylene (PE) in a clear/natural translucent finish, which keeps tube contents visible while providing a flexible snap-on fit.
Are the caps sterile?
No. These caps are supplied non-sterile and are intended for general-purpose tube sealing, storage, and routine bench applications.
How many caps come in a pack?
SKU 118115C is supplied as 1000 caps per pack at $57.80, suited to high-throughput labs that consume closures in volume.
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