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.