Name: Lenz-Laborglas Round Bottom Test Tube NS 14/23 Ø 18 mm × 180 mm (DURAN® Tubing, Without Stopper)
Brand: Lenz-Laborglas
SKU: 9.316 053
Price: 541.8 NTD
Availability: BackOrder

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The Lenz-Laborglas round bottom test tube with NS 14/23 socket (Ø 16 mm × 125 mm) is manufactured from DURAN® tubing, offering superior thermal and chemical resistance for demanding laboratory applications. Supplied without a stopper, this tube is ideal for workflows requiring custom closures or connection to modular glassware systems.

Key Features:
<ul>
 <li>Brand: Lenz-Laborglas</li>
 <li>Shape: Round bottom for efficient heating and mixing</li>
 <li>Socket Size: NS 14/23 ground joint for secure glassware connections</li>
 <li>Dimensions: Ø 16 mm × 125 mm length</li>
 <li>Material: DURAN® tubing — high-quality borosilicate glass for durability</li>
 <li>Closure: Without stopper (no closure included)</li>
 <li>Application: Suitable for heating, chemical reactions, distillation setups, and laboratory glassware assemblies</li>
</ul>

The Lenz-Laborglas NS 14/23 test tube provides dependable construction, precision glass technology, and flexibility in use—making it a strong choice for research, industrial, and educational lab environments.

Lenz-Laborglas round bottom test tube NS 14/23 Ø 16 mm × 125 mm, DURAN® tubing, without stopper—ideal for labs requiring custom glassware setups.

Lenz-Laborglas Round Bottom Test Tube NS 14/23 Ø 16 mm × 125 mm (DURAN® Tubing, Without Stopper)

Test Tubes, Round Bottom with NS, Socket NS 14/23

The Lenz-Laborglas round bottom test tube with NS 14/23 ground-joint socket (Ø 18 mm × 150 mm) is crafted from premium DURAN® borosilicate glass, offering excellent thermal and chemical resistance. Supplied without a stopper, this tube is ideal for laboratory applications where custom closures or adapters are used.

Key Features:
<ul>
 <li>Brand: Lenz-Laborglas</li>
 <li>Shape: Round bottom for uniform heating and efficient mixing</li>
 <li>Socket Size: NS 14/23 ground-joint for secure standard connections</li>
 <li>Dimensions: Ø 18 mm × 150 mm length</li>
 <li>Material: DURAN® tubing — premium borosilicate glass for high durability</li>
 <li>Closure: Without stopper (no closure included)</li>
 <li>Application: Suitable for heating, distillation, chemical reactions, and modular glass-joint setups</li>
</ul>

The Lenz-Laborglas NS 14/23 test tube blends precision workmanship, durable materials, and flexibility in closure design—making it a reliable choice for research, analytical, and industrial laboratory environments.

Lenz-Laborglas round bottom test tubes with NS 14/23 socket offer durable lab performance and heat resistance


Lenz-Laborglas Round Bottom Test Tube NS 14/23, Ø 18 mm × 150 mm (DURAN® Tubing, Without Stopper)

The Lenz-Laborglas round bottom test tube with NS 14/23 socket and dimensions Ø 16 mm × 160 mm is crafted from premium DURAN® borosilicate glass, offering excellent thermal and chemical resistance. Supplied without a stopper, this tube is ideal for flexible laboratory applications where custom closures or adapters are required.

Key Features:
<ul>
 <li>Brand: Lenz-Laborglas</li>
 <li>Shape: Round bottom for uniform heating and efficient mixing</li>
 <li>Socket Size: NS 14/23 ground joint for compatibility with standard lab glassware</li>
 <li>Dimensions: Ø 16 mm × 160 mm length</li>
 <li>Material: DURAN® tubing – premium borosilicate glass known for durability and resistance</li>
 <li>Closure: Without stopper (no closure included)</li>
 <li>Application: Suitable for heating, distillation, mixing, and reaction workflows in the lab</li>
</ul>

The Lenz-Laborglas NS 14/23 test tube combines precision manufacturing with durable materials and flexible closure options—making it a reliable component for research, analytical, and industrial laboratory environments.

Enhance lab performance with Lenz-Laborglas Test Tubes, Round Bottom with NS 14/23 socket for secure and reliable laboratory experiments.	

Lenz-Laborglas Round Bottom Test Tube NS 14/23, Ø 16 mm × 160 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. :contentReference[oaicite:0]{index=0}

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

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.

Durable Lenz-Laborglas round bottom test tube NS 19/26 Ø 22 mm × 150 mm made from DURAN® tubing — supplied without stopper for flexible lab use.

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

Test Tubes, Round Bottom with NS, Socket NS 19/26

The Lenz-Laborglas round bottom test tube with NS 24/29 socket and Ø 28 mm × 150 mm dimensions is manufactured from DURAN® tubing, delivering high chemical and thermal resistance for reliable laboratory use. Supplied without stopper, this tube suits heating, reaction and vacuum applications where customised closures are used.

Key Features:
<ul>
 <li>Brand: Lenz-Laborglas</li>
 <li>Shape: Round bottom for even heat distribution and mixing</li>
 <li>Socket Size: NS 24/29 ground joint for compatibility with laboratory glass-joint systems</li>
 <li>Dimensions: Ø 28 mm × 150 mm length</li>
 <li>Material: DURAN® tubing – premium borosilicate glass with superior durability</li>
 <li>Closure: Without stopper – allows for customised sealing or adapter use</li>
 <li>Application: Ideal for distillation, chemical reactions, vacuum setups and general laboratory use</li>
</ul>

The Lenz-Laborglas NS 24/29 test tube offers precision, durability and versatility — making it a dependable choice for chemistry, research and industrial labs.

Improve your lab’s performance with Lenz-Laborglas Test Tubes, Round Bottom with NS 24/29 socket, ideal for reliable laboratory experiments.	

Lenz-Laborglas Round Bottom Test Tube NS 24/29 Ø 28 mm × 150 mm (DURAN® Tubing, No Stopper)

Test Tubes, Round Bottom with NS, Socket NS 24/29

The Lenz-Laborglas round bottom test tube with NS 24/29 socket (Ø 28 mm × 200 mm) is crafted from high-quality DURAN® tubing, offering exemplary thermal and chemical resistance. Provided without a stopper, this glassware is ideal for reactions, distillation, mixing and other laboratory processes requiring secure ground-joint connections.

Key Features:
<ul>
 <li>Brand: Lenz-Laborglas</li>
 <li>Shape: Round bottom for uniform heating and mixing</li>
 <li>Socket Size: NS 24/29 ground joint for compatibility with other standard lab glassware</li>
 <li>Dimensions: Ø 28 mm × 200 mm length</li>
 <li>Material: DURAN® tubing – high-grade borosilicate glass for chemical and thermal durability</li>
 <li>Closure: Without stopper (no closure included) 
</li>
 <li>Application: Suitable for laboratory heating, chemical reactions, distillation and glassware systems requiring secure joints</li>
</ul>

The Lenz-Laborglas NS 24/29 test tube provides reliable performance and precision craftsmanship, making it a trusted piece of laboratory glassware for research, teaching and industrial labs.

Upgrade your lab with Lenz-Laborglas Test Tubes, Round Bottom with NS 24/29 socket for reliable and secure laboratory experiments.	

Lenz-Laborglas Round Bottom Test Tube NS 24/29 Ø 28 mm × 200 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: 
<ul> 
 <li>Brand: Lenz Laborglas</li> 
 <li>Shape: Round bottom — promotes uniform heating and effective mixing</li> 
 <li>Socket Size: NS 14/23 ground joint for compatibility with standard lab equipment</li> 
 <li>Dimensions: Ø 16 mm × 100 mm length</li> 
 <li>Material: DURAN® tubing — premium borosilicate glass for high durability and resistance</li> 
 <li>Closure: Without stopper (no closure included)</li> 
 <li>Application: Suitable for heating, distillation, chemical reactions, and modular glassware setups</li> 
</ul>

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.

Lenz Laborglas round bottom test tube NS 14/23 Ø 16 mm × 100 mm in DURAN® tubing, supplied without stopper — ideal for lab heating and reaction work.

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

Test Tubes, Round Bottom with NS, Socket NS 14/23_100198508

The Lenz-Laborglas round bottom test tube with NS 14/23 socket (Ø 18 mm × 180 mm) is crafted from high-quality DURAN® borosilicate glass, known for its excellent thermal and chemical resistance. Supplied without a stopper, this test tube is ideal for laboratory setups requiring customised closures or flexible integration with glass-joint systems.

Key Features: 
<ul> 
 <li>Brand: Lenz-Laborglas</li> 
 <li>Shape: Round bottom for even heating and effective mixing</li> 
 <li>Socket Size: NS 14/23 ground-joint for compatibility with standard lab apparatus</li> 
 <li>Dimensions: Ø 18 mm × 180 mm length</li> 
 <li>Material: DURAN® tubing – high-performance borosilicate glass offering durability and resistance</li> 
 <li>Closure: Supplied without stopper (no closure included) 
</li>
 <li>Application: Suitable for heating, distillation, chemical reactions, and modular glass-joint setups</li> 
</ul>

The Lenz-Laborglas NS 14/23 test tube delivers precision manufacturing, long-term durability, and flexible closure options—making it a trusted choice for scientific, educational, and industrial laboratory environments.

Enhance lab results with Lenz-Laborglas Test Tubes, Round Bottom with NS 14/23 socket for stable and reliable laboratory experiments.	

Lenz-Laborglas Round Bottom Test Tube NS 14/23 Ø 18 mm × 180 mm (DURAN® Tubing, Without Stopper)

NTD 542

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