Lenz-Laborglas Round Bottom Test Tube NS 19/26 Ø 22 mm × 150 mm (DURAN® Tubing, Without Stopper)

The Lenz-Laborglas round bottom test tube with NS 19/26 socket (Ø 22 mm × 150 mm) is crafted from DURAN® tubing, providing superior thermal and chemical resistance for demanding laboratory applications. Supplied without a stopper, this test tube is ideal for setups requiring custom closures or integration into modular glassware systems.

Key Features:

• Brand: Lenz-Laborglas
• Shape: Round bottom for even heating and efficient mixing
• Socket Size: NS 19/26 ground joint for secure compatibility with lab apparatus
• Dimensions: Ø 22 mm × 150 mm length
• Material: DURAN® tubing — top-quality borosilicate glass for strength and durability
• Closure: Without stopper (custom closure required)
• Application: Ideal for heating, reaction vessels, distillation setups and laboratory workflows

The Lenz-Laborglas NS 19/26 test tube blends high precision manufacturing with flexibility in closure design, making it a reliable choice for research, analytical and industrial lab environments.

Frequently Asked Questions

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

It is crafted from DURAN® tubing, providing superior thermal and chemical resistance for demanding laboratory applications. Supplied without a stopper, this test tube is ideal for setups requiring custom closures or integration into modular glassware systems.

2. Is this product suitable for heating, reaction vessels, distillation setups and laboratory workflows?

Yes. It is designed for heating, reaction vessels, distillation setups and laboratory workflows, and offers round bottom for even heating and efficient mixing and NS 19/26 ground joint for secure compatibility with lab apparatus to support this kind of work.

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

It has round bottom for even heating and efficient mixing, NS 19/26 ground joint for secure compatibility with lab apparatus 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® tubing, top-quality borosilicate glass for strength and durability. It also offers without stopper (custom closure required).