200pcs Borosilicate Glass Durham Tubes – Lab Fermentation

200-Pack Borosilicate Glass Durham Tubes – Heat & Chemical Resistant Fermentation Tubes

Trusted by educators, microbiologists, and industrial lab technicians alike, these Borosilicate Glass Durham Tubes deliver reliable, repeatable performance for gas collection and fermentation studies. Each tube is crafted from sturdy borosilicate glass — transparent, heat-resistant, and chemically inert — making them ideal for both classroom experiments and professional laboratory applications.

Specifications:

• Material: Borosilicate Glass (chemically resistant, heat resistant)
• Color: Transparent / Clear
• Size: 3.00 × 0.60 × 0.60 cm (1.18 × 0.24 × 0.24 in)
• Quantity: 200 pcs per pack
• Made in: Mainland China

Key Features

• Efficient Gas Collection: Designed to capture and retain fermentation gases with high reliability — ideal for microbiology studies, food testing, and industrial fermentation workflows.
• Promotes Consistent Fermentation Results: The small Durham tube format facilitates smooth liquid flow, optimizing bacterial gas detection and collection accuracy in every experiment.
• Versatile Lab & Industrial Use: Suitable for yeast sampling, glucose fermentation, coliform testing, enterobacteriaceae diagnostics, anaerobic studies, and classroom science projects.
• Easy to Maintain: Crystal-clear transparency allows instant visual inspection of gas bubble formation — no guesswork, no hidden results.
• Built to Last: Borosilicate construction ensures these tubes withstand repeated sterilization cycles, harsh chemicals, and elevated temperatures without warping or cracking.
• Reusable & Eco-Friendly: Unlike disposable plastic alternatives, these glass tubes can be cleaned, sterilized, and reused many times, offering long-term value.

Who Are These For?

These Durham fermentation tubes are a must-have for:

• Microbiology and biology educators setting up classroom lab stations
• University and research labs performing fermentation indicator tests
• Food safety technicians conducting coliform and enterobacteriaceae testing
• Industrial fermentation facilities monitoring gas production
• Science hobbyists and home fermentation enthusiasts

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Frequently Asked Questions

Q: What size are these Durham fermentation tubes and how many come in a pack?

A: Each Durham tube measures 3.00 × 0.60 × 0.60 cm (approximately 1.18 × 0.24 × 0.24 inches). Each pack contains 200 individual borosilicate glass Durham tubes, providing excellent value for classroom, lab, or industrial use.

Q: Are these Durham tubes autoclavable and reusable?

A: Yes. These tubes are made from high-quality borosilicate glass, which is both heat-resistant and chemically resistant. They can be autoclaved, sterilized, and reused multiple times, making them a cost-effective and eco-friendly choice for repeated fermentation experiments and microbiology tests.

Q: What are the main applications for these borosilicate glass Durham tubes?

A: These Durham tubes are widely used for bacterial and yeast fermentation gas collection, coliform and enterobacteriaceae testing, food safety testing, anaerobic gas studies, glucose fermentation indicator tests, and general microbiology classroom experiments. Their clear glass construction allows instant visual confirmation of gas bubble formation during testing.

Q: Are these tubes compatible with standard test tubes?

A: Yes. Durham tubes are designed to be placed inverted inside standard culture or fermentation test tubes. Their small size (3.00 × 0.60 cm) ensures compatibility with most common laboratory test tube sizes used in microbiology and food testing settings.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.