Lenz-Laborglas Round Bottom Test Tube NS 19/26, Ø 22 mm × 150 mm, DURAN® Tubing, Hollow Stopper

The Lenz-Laborglas round bottom test tube with NS 19/26 socket (Ø 22 mm × 150 mm) is manufactured from high-quality DURAN® borosilicate glass, ensuring excellent chemical and thermal resistance. Supplied with a hollow glass stopper, it provides a reliable seal for laboratory applications such as heating, distillation, and reaction processes.

Key Features:

• Brand: Lenz-Laborglas
• Shape: Round bottom for uniform heating and easy cleaning
• Socket Size: NS 19/26 ground joint for compatibility with standard glassware
• Dimensions: Ø 22 mm × 150 mm length
• Material: DURAN® borosilicate glass for exceptional durability
• Closure: Hollow glass stopper for secure sealing
• Application: Ideal for heating, distillation, chemical reactions, and sample preparation

The Lenz-Laborglas NS 19/26 test tube offers precision, durability, and secure sealing—making it an essential component in research, industrial, and educational laboratory environments.

Frequently Asked Questions

1. What is the Lenz-Laborglas Round Bottom Test Tube NS 19/26, Ø 22 mm × 150 mm, DURAN® Tubing, Hollow Stopper used for?

It is manufactured from high-quality DURAN® borosilicate glass, ensuring excellent chemical and thermal resistance. Supplied with a hollow glass stopper, it provides a reliable seal for laboratory applications such as heating, distillation, and reaction processes.

2. Is this product suitable for heating, distillation, chemical reactions, and sample preparation?

Yes. It is designed for heating, distillation, chemical reactions, and sample preparation, and offers round bottom for uniform heating and easy cleaning and NS 19/26 ground joint for compatibility with standard glassware to support this kind of work.

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

It has round bottom for uniform heating and easy cleaning, NS 19/26 ground joint for compatibility with standard glassware and Ø 22 mm × 150 mm length.

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

It is made from DURAN® borosilicate glass for exceptional durability. It also offers hollow glass stopper for secure sealing.