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VWR®, LDPE Twist-Seal Bags, Closure with 2 round wires, without write-on panel, Sterile (copy)
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RNase-, DNase-, pyrogen- and BPA-free
The wire tab keeps the bag open for filling
Specifications:
| Application | Sample Collection |
| Material | Polypropylene |
| Storage Temperature | Ambient |
| Product Type | sample Holder |
| Product Brand | VWR |
| Product Grade | Laboratory grade |
VWR® Twist-Seal Bags are high-integrity, flexible sample containers made from durable LDPE and designed for safe, sterile sampling in a variety of research, clinical, and industrial environments. Manufactured and packed under sterile conditions, these bags are free from RNase, DNase, pyrogens, and BPA, ensuring contamination-free sampling and transport of critical materials.
The integrated twist-seal wire tab system allows for secure, leak-resistant closure, while also holding the bag open for easy filling. The design includes a write-on panel for sample identification and traceability. The black (opaque) version of the bag provides complete light protection, ideal for photosensitive samples such as pharmaceuticals, vitamins, and biological extracts.
These bags are used across a wide range of applications including environmental sampling, food industry testing, biomedical and pharmaceutical research, QA/QC protocols, and veterinary/clinical settings.
Key Features
- Manufactured in sterile conditions to ensure sample integrity
- Double fold-over and twist-seal design for leak-resistant closure
- Wire tabs hold bag open during filling
- RNase-, DNase-, pyrogen-, and BPA-free
- Write-on panel for sample identification
- Flexible and lightweight; ideal for transport and storage
- Opaque options available for light-sensitive contents
- Suitable for food, pharmaceutical, environmental, clinical, and veterinary use
Applications
- Environmental surface and soil sampling
- Carcass sampling and biological specimen collection
- Food and beverage testing (QA/QC)
- Pharmaceutical and plant extract protection
- Clinical, biomedical, and veterinary sample transport
- Storage of light-sensitive materials (opaque version)
Product Variants
| Catalog Number | Capacity | Dimensions (L × W) | Thickness | Pack Size |
|---|---|---|---|---|
| 129-9023 | 60 mL | 76 × 127 mm | 63 µm | 500 |
| 129-9884 | 130 mL | 76 × 178 mm | 63 µm | 500 |
| 129-9885 | 450 mL | 114 × 229 mm | 63 µm | 500 |
| 129-9886 | 650 mL | 140 × 229 mm | 76 µm | 500 |
| 129-9817 | 800 mL | 114 × 305 mm | 63 µm | 500 |
VWR® Twist-Seal Bags provide a secure, contamination-free, and cost-effective solution for collecting and transporting a wide range of sample types. With reliable sealing, sterile construction, and compatibility across research, clinical, food, and environmental applications, these bags ensure dependable performance where sample integrity is critical.
- Size: Capacity: 60 ml, Dimension: 76×127 mm, Thickness: 63 µm Capacity: 130 ml, Dimension: 76×178 mm, Thickness: 63 µm Capacity: 450 ml, Dimension: 114×229 mm, Thickness: 63 µm Capacity: 800 ml, Dimension: 114×305 mm, Thickness: 63 µm