Description
The Re-usable Test Tube Without Rim from Osmosis Scientific is precision-manufactured from high-quality Boro 3.3 borosilicate glass, ensuring superior chemical durability and thermal stability. Designed with a smooth, rimless opening, these tubes provide ease of handling and compatibility with standard laboratory racks and holders.
Available in a comprehensive range of capacities from 3 ml to 150 ml, these test tubes accommodate various laboratory applications including microbiological culture work, heating experiments, reagent holding, and general sample processing.
Each size is engineered with specific outer diameter and height dimensions to ensure consistent performance. Wall thickness varies from 1.0 mm to 1.4 mm, depending on capacity, providing structural integrity during heating and routine laboratory handling.
The rounded bottom design supports safe placement in racks and heating blocks, while the borosilicate composition allows resistance to thermal shock and aggressive chemical exposure. These reusable tubes are ideal for educational institutions, analytical laboratories, research facilities, and industrial quality control environments.
| Capacity (mL) | O.D. × Height (mm) | Thickness (mm) | Pack of | SKU | Enquiry |
|---|---|---|---|---|---|
| 3 | 10 × 75 | 1.0 | 100 | TTRW-0003-10×075 | Enquire Now |
| 5 | 12 × 75 | 1.0 | 100 | TTRW-0005-12×075 | Enquire Now |
| 6 | 12 × 100 | 1.0 | 100 | TTRW-0006-12×100 | Enquire Now |
| 13 | 15 × 125 | 1.2 | 100 | TTRW-0013-15×125 | Enquire Now |
| 15 | 15 × 150 | 1.2 | 100 | TTRW-0015-15×150 | Enquire Now |
| 27 | 18 × 150 | 1.2 | 100 | TTRW-0027-18×150 | Enquire Now |
| 45 | 20 × 150 | 1.2 | 100 | TTRW-0045-20×150 | Enquire Now |
| 38 | 25 × 100 | 1.2 | 100 | TTRW-0038-25×100 | Enquire Now |
| 55 | 25 × 150 | 1.2 | 100 | TTRW-0055-25×150 | Enquire Now |
| 60 | 25 × 200 | 1.2 | 100 | TTRW-0060-25×200 | Enquire Now |
| 100 | 32 × 200 | 1.4 | 50 | TTRW-0100-32×200 | Enquire Now |
| 150 | 38 × 200 | 1.4 | 50 | TTRW-0150-38×200 | Enquire Now |
Frequently Asked Questions (FAQs)
Yes, borosilicate rimless tubes are explicitly described as reusable and can be autoclaved for sterilization between uses.
Typical workflows involve pre‑rinsing, washing in hot detergent solution, thorough DI‑water rinsing, and then autoclaving at about 121 °C for 15–20 minutes before reuse.
Rimless tubes can be used with a variety of closures such as rubber stoppers or dedicated push‑on caps designed for rimless tubes; many cap styles are autoclavable.
Borosilicate rimless tubes are suitable for heating applications and can tolerate typical laboratory temperature ranges; always follow the manufacturer’s specified maximum temperature.
Glass test tubes can be reused many times if they remain free of cracks, chips, or etching; discard any tube that shows damage or heavy staining after repeated autoclave cycles.
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