Lenz-Laborglas Round Bottom Test Tube NS 14/23, Ø 18 mm × 180 mm, DURAN® Tubing, Hollow Stopper

The Lenz-Laborglas round bottom test tube with NS 14/23 socket (Ø 18 mm × 180 mm) is manufactured from premium DURAN® borosilicate glass, offering excellent thermal and chemical resistance. Supplied with a hollow glass stopper, this test tube is ideal for laboratory applications involving sealed heating, mixing, and reaction processes.

Key Features:

• Brand: Lenz-Laborglas
• Shape: Round bottom — promotes uniform heating and efficient mixing
• Socket Size: NS 14/23 ground-joint for secure compatibility with standard glassware
• Dimensions: Ø 18 mm × 180 mm length
• Material: DURAN® tubing — high-performance borosilicate glass for durability and resistance
• Closure: Hollow glass stopper included for reliable sealing
• Application: Suitable for heating, distillation, chemical reactions, and laboratory glassware systems

The Lenz-Laborglas NS 14/23 test tube delivers precision craftsmanship, durable materials, and a high-quality sealed closure—making it a dependable choice for research, analytical, and industrial laboratory environments.

Frequently Asked Questions

1. What is the Lenz-Laborglas Round Bottom Test Tube NS 14/23, Ø 18 mm × 180 mm, DURAN® Tubing, Hollow Stopper used for?

It is manufactured from premium DURAN® borosilicate glass, offering excellent thermal and chemical resistance. Supplied with a hollow glass stopper, this test tube is ideal for laboratory applications involving sealed heating, mixing, and reaction processes.

2. Is this product suitable for heating, distillation, chemical reactions, and laboratory glassware systems?

Yes. It is designed for heating, distillation, chemical reactions, and laboratory glassware systems, and offers round bottom, promotes uniform heating and efficient mixing and NS 14/23 ground-joint for secure compatibility with standard glassware to support this kind of work.

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

It has round bottom, promotes uniform heating and efficient mixing, NS 14/23 ground-joint for secure compatibility with standard glassware and Ø 18 mm × 180 mm length.

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

It is made from DURAN® tubing, high-performance borosilicate glass for durability and resistance. It also offers hollow glass stopper included for reliable sealing.