Lenz-Laborglas Round Bottom Test Tube NS 14/23, Ø 16 mm × 125 mm, DURAN® Tubing, Hollow Stopper

The Lenz-Laborglas round bottom test tube with NS 14/23 socket (Ø 16 mm × 125 mm) is crafted from top-quality DURAN® borosilicate glass, offering exceptional thermal and chemical resistance. Supplied with a hollow glass stopper for secure sealing, this tube is ideal for laboratory setups involving mixing, heating, reactions, and ground-joint glassware systems.

Key Features:

• Brand: Lenz-Laborglas
• Shape: Round bottom, optimized for uniform heating and effective mixing
• Socket Size: NS 14/23 ground joint for standard compatibility
• Dimensions: Ø 16 mm × 125 mm length, ensuring compact yet functional design
• Material: DURAN® tubing – high-performance borosilicate glass for durability
• Closure: Hollow glass stopper included for reliable sealing
• Application: Suitable for laboratory heating, chemical reactions, sample preparation, and apparatus integration

The Lenz-Laborglas NS 14/23 test tube delivers precision craftsmanship, durable glass construction, and reliable closure—making it a trusted component in research, analytical, and industrial laboratory settings.