Globe Scientific
Snap Caps for Vacuum & Test Tubes, PE, Lavender — 13 mm & 16 mm, 1000/Pack | Globe Scientific
Snap Caps for Vacuum & Test Tubes, PE, Lavender — 13 mm & 16 mm, 1000/Pack | Globe Scientific
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Polyethylene Snap Caps for 13 mm & 16 mm Vacuum and Test Tubes, Lavender, 1000/Pack
The Globe Scientific PE Snap Caps deliver a secure push-on seal for round-bottom vacuum tubes and standard glass or plastic test tubes. Molded from flexible polyethylene in a distinct lavender hue, these closures support sample color-coding, post-draw resealing of phlebotomy tubes, and routine specimen storage at the bench.
Technical Specifications
| Product Type | Snap Cap (push-on closure) |
| Size Range | 13 mm and 16 mm tube diameters |
| Material | Polyethylene (PE) |
| Closure/Cap | Snap-on, single-piece |
| Color | Lavender |
| Sterility | Non-sterile |
| Pack Size | 1000 caps per pack |
Available Sizes
| Size | SKU | Price (per pack) |
| 13 mm | 113140L | $69.90 |
| 16 mm | 113141L | $69.90 |
Applications
- Resealing blood collection and vacuum tubes after aliquoting
- Color-coded sample identification across processing workflows
- Capping glass or plastic test tubes for short-term specimen storage
- Preventing spills and evaporation during sample transport
- Routine clinical, phlebotomy, and chemistry bench use
- Batch organization in tube racks and refrigerated storage
Chemical Resistance
| Reagent Class | Compatibility |
| Aqueous buffers | Excellent |
| Dilute acids | Good |
| Dilute bases | Good |
| Alcohols | Good |
| Acetonitrile | Limited |
| Aromatic solvents | Not recommended |
| Chlorinated solvents | Not recommended |
Quality & Procurement
Shipping from US inventory through labsupplies.com, an authorized Globe Scientific dealer. Each pack carries lot numbers that 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 and standing-order arrangements.
Frequently Asked Questions
Which tube diameters do these snap caps fit?
SKU 113140L fits 13 mm tubes and SKU 113141L fits 16 mm tubes. Both are designed for round-top vacuum tubes and standard glass or plastic test tubes of the corresponding outer diameter.
Are these caps supplied sterile?
No. These polyethylene snap caps are non-sterile and intended for general laboratory and specimen-handling use rather than aseptic applications.
How many caps come in each pack?
Each pack contains 1000 caps. Both the 13 mm and 16 mm sizes are priced at $69.90 per pack of 1000.
Will these caps withstand organic solvents?
Polyethylene performs well with aqueous buffers, dilute acids and bases, and alcohols. Aromatic and chlorinated solvents are not recommended, and acetonitrile contact should be limited.
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