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Borosilicate glass culture test tubes, round bottom, with screw cap
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Specifications:
| Application | Routine Laboratory Applications |
| Material | Borosilicate glass |
| Storage Temperature | Room Temperature |
| Product Type | Sample Tubes |
| Product Grade | Laboratory grade |
The Borosilicate Glass Test Tubes with Screw Cap are high-quality laboratory tubes designed for sample handling, storage, heating, and chemical reactions. Manufactured from Borosilicate Glass 3.3, these tubes offer excellent resistance to thermal shock and chemical exposure, ensuring durability and reliability in routine and advanced laboratory applications.
Each tube is fitted with a secure screw cap, providing a tight seal to minimize contamination, evaporation, and sample loss. Available in both flat bottom and round bottom configurations, these tubes support a wide range of laboratory workflows.
Key Features & Benefits
Premium Borosilicate Glass 3.3
- High resistance to thermal shock and chemical corrosion
- Suitable for heating and autoclaving applications
- Durable for repeated laboratory use
Secure Screw Cap Closure
- Provides leak-resistant sealing
- Prevents contamination and evaporation
- Ideal for sample storage and transport
Flat Bottom & Round Bottom Options
- Flat Bottom: Stable placement on benches without racks
- Round Bottom: Ideal for uniform heating and centrifugation compatibility
Wide Size & Capacity Range
- Available from 5 mL to 60 mL capacities
- Multiple dimensions to suit different laboratory requirements
Clear Glass Construction
- Enables easy visual inspection of contents
- Facilitates monitoring of reactions and sample conditions
Applications
- Sample Collection & Storage
- Chemical Reactions & Heating
- Microbiology & Culture Handling
- Clinical & Diagnostic Testing
- Educational Laboratory Experiments
- Environmental & Industrial Testing
Technical Specifications
| Feature | Details |
|---|---|
| Material | Borosilicate Glass 3.3 |
| Closure Type | Screw Cap |
| Bottom Types | Flat Bottom / Round Bottom |
| Chemical Resistance | Excellent |
| Thermal Resistance | High |
| Transparency | Clear |
| Autoclavable | Yes |
| Capacity Range | 5 mL – 60 mL |
| Reusability | Yes |
Product Variants
| Reference | Size (mm) | Capacity | Bottom Type |
|---|---|---|---|
| 1230S-12x75mm-F | 12 × 75 mm | 5 mL | Flat |
| 1230S-12x75mm-R | 12 × 75 mm | 5 mL | Round |
| 1230S-13x100mm-F | 13 × 100 mm | 8 mL | Flat |
| 1230S-13x100mm-R | 13 × 100 mm | 8 mL | Round |
| 1230S-16x100mm-F | 16 × 100 mm | 10 mL | Flat |
| 1230S-16x100mm-R | 16 × 100 mm | 10 mL | Round |
| 1230S-16x150mm-F | 16 × 150 mm | 20 mL | Flat |
| 1230S-16x150mm-R | 16 × 150 mm | 20 mL | Round |
| 1230S-18x150mm-F | 18 × 150 mm | 25 mL | Flat |
| 1230S-18x150mm-R | 18 × 150 mm | 25 mL | Round |
| 1230S-25x100mm-F | 25 × 100 mm | 30 mL | Flat |
| 1230S-25x100mm-R | 25 × 100 mm | 30 mL | Round |
| 1230S-25x150mm-F | 25 × 150 mm | 50 mL | Flat |
| 1230S-25x150mm-R | 25 × 150 mm | 50 mL | Round |
| 1230S-25x200mm-F | 25 × 200 mm | 60 mL | Flat |
| 1230S-25x200mm-R | 25 × 200 mm | 60 mL | Round |
Comparison: Flat Bottom vs Round Bottom Test Tubes
| Feature | Flat Bottom | Round Bottom |
|---|---|---|
| Stability | Self-standing | Requires rack |
| Heating | Moderate | Uniform heating |
| Storage | Easier | Requires support |
| Applications | General lab use | Heating & reactions |
Key Advantages
- Durable borosilicate glass for long-term use
- Secure screw cap for safe storage and transport
- Flexible configurations for diverse laboratory workflows
- Wide size range for scalable applications
The Borosilicate Glass Test Tubes with Screw Cap provide a reliable, versatile solution for laboratory sample handling and analysis. Their robust construction, secure sealing, and variety of sizes make them an essential component for laboratories across research, clinical, industrial, and educational sectors.
- Bottom shape: Round Bottom Flat Bottom
- Size: 12x75 mm - 5mL 13x100 mm - 10mL 25x100mm - 50mL 16x150mm - 20mL 25 x 150 mm - 60 mL 16 x 100 mm - 10 mL 25 x 200 mm - 60 mL 18 x 150 mm - 25 mL 16 x 125 mm - 15 mL