


Screw Cap Tube
Sterile screw cap tubes with secure grey lids and standing round bottoms for reliable sample and reagent storage. Available in 0.5mL, 1.5mL, and 2mL sizes. Temperature stable from -80°C to 121°C, DNase & RNase free—perfect for cryopreservation and long-term archiving.
For Bulk order, Packaging mode and Respective prices, please refer the pricing table at the end of the Product Description.
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Screw Cap Tube — Secure Storage for Biological Samples and Reagents
Our screw cap tubes come with secure lids but no rubber rings, offering multiple applications for storing biochemical reagents and samples at low temperatures. The standing round bottom design of these tubes makes it easier to concentrate, recover, and position samples during processing. These tubes are engineered from medical-grade polypropylene and withstand extreme temperature variations, making them ideal for long-term cryopreservation, freezer storage, and sample organization in research, clinical, and diagnostic laboratories.
Product Features
- Material: Medical-grade polypropylene (PP) for clarity and durability
- Cap Design: Secure screw cap closure for reliable sample containment
- Cap Color: Grey for easy identification and consistency
- Available Volumes: 0.5 mL, 1.5 mL, 2 mL options for diverse storage needs
- Temperature Tolerance: -80°C to 121°C for flexible storage and sterilization
- Bottom Design: Standing round bottom for easy sample concentration and recovery
- Special Properties: DNase & RNase Free, suitable for sensitive biological applications
- Closure Type: Straight knurl screw cap without rubber rings for compatibility with various applications
Applications
- Long-term cryopreservation of DNA, RNA, and protein samples
- Storage of biochemical reagents and enzymes at ultra-low temperatures
- Cell suspension and bacterial culture preservation
- Blood serum and plasma sample archiving
- Pharmaceutical and biotech sample storage
- Laboratory reference materials and standards
- Clinical specimen storage for testing and research
- Field sample collection and temporary storage
Technical Specifications
| Cat. No. | Volume (mL) | Cap Color |
|---|---|---|
| SCT-50-S | 0.5 | Grey |
| SCT-150-S | 1.5 | Grey |
| SCT-200-S | 2 | Grey |
Key Benefits
- Secure Closure: Screw cap design prevents sample leakage during storage and transport
- Wide Temperature Range: Suitable for -80°C freezer storage and autoclave sterilization
- Easy Sample Recovery: Round bottom design facilitates concentration and retrieval
- No Rubber Rings: Eliminates potential contamination from gasket materials
- Sterile & Nuclease-Free: Ideal for molecular biology and sensitive applications
- Cost-Effective: Reliable long-term storage solution at competitive pricing
Screw cap tubes are essential for any laboratory requiring secure, reliable sample storage at ultra-low temperatures. Their robust construction, temperature stability, and convenient round-bottom design make them ideal for diverse applications ranging from basic research to clinical diagnostics and biobanking.
| Cat. No. | Specification (mL) | Cap Color | Pcs/Bag | Bags/Carton | Plastics List Price Single Pack (INR) | Plastics List Price Bulk Pack (INR) |
|---|---|---|---|---|---|---|
| SCT-50-S | 0.5 | Grey | 500 | 10 | 3347 | 32801 |
| SCT-150-S | 1.5 | Grey | 500 | 10 | 3347 | 32801 |
| SCT-200-S | 2 | Grey | 500 | 10 | 3347 | 32801 |























