Lenz-Laborglas Round Bottom Test Tube, NS 14/23, Ø 16 mm × 100 mm, DURAN® Tubing, Without Stopper

The Lenz-Laborglas round bottom test tube with NS 14/23 socket (Ø 16 mm × 100 mm) is made from premium DURAN® borosilicate glass, offering excellent chemical and thermal resistance. Supplied without a stopper, this test tube is ideal for laboratory applications requiring customised closure or direct integration with other lab glassware.

Key Features:

• Brand: Lenz-Laborglas
• Shape: Round bottom — promotes uniform heating and effective mixing
• Socket Size: NS 14/23 ground joint for compatibility with standard lab equipment
• Dimensions: Ø 16 mm × 100 mm length
• Material: DURAN® tubing — premium borosilicate glass for high durability and resistance
• Closure: Without stopper (no closure included)
• Application: Suitable for heating, distillation, chemical reactions, and modular glassware setups

The Lenz-Laborglas NS 14/23 test tube combines robust construction, precise glassworking, and absence of pre-installed closures for maximum flexibility—making it a reliable component for research, analytical, and industrial laboratory workflows.

Frequently Asked Questions

1. What is the Lenz-Laborglas Round Bottom Test Tube, NS 14/23, Ø 16 mm × 100 mm, DURAN® Tubing, Without Stopper used for?

It is made from premium DURAN® borosilicate glass, offering excellent chemical and thermal resistance. Supplied without a stopper, this test tube is ideal for laboratory applications requiring customised closure or direct integration with other lab glassware.

2. Is this product suitable for heating, distillation, chemical reactions, and modular glassware setups?

Yes. It is designed for heating, distillation, chemical reactions, and modular glassware setups, and offers round bottom, promotes uniform heating and effective mixing and NS 14/23 ground joint for compatibility with standard lab equipment to support this kind of work.

3. What shape and socket size does this product have?

It has round bottom, promotes uniform heating and effective mixing, NS 14/23 ground joint for compatibility with standard lab equipment and Ø 16 mm × 100 mm length.

4. What is this product made from and what features does it include?

It is made from DURAN® tubing, premium borosilicate glass for high durability and resistance. It also offers without stopper (no closure included).