Lenz-Laborglas

Lenz Laborglas GmbH & Co. KG is a world-renowned German manufacturer of high-precision laboratory glassware, headquartered in Wertheim. Founded in 1929, the company has spent nearly a century perfecting the art of glassblowing, driven by the mission to provide "Precision in Glass." Lenz is internationally recognized as the market leader for standardized ground joints, stopcocks, and complex glass components essential for chemical and pharmaceutical research. By exclusively utilizing high-performance DURAN® borosilicate glass 3.3 from SCHOTT, the brand ensures that its products offer maximum thermal shock resistance and chemical durability. Today, Lenz remains a family-owned enterprise that combines traditional craftsmanship with ultra-modern CNC grinding and finishing technologies, delivering "Made in Germany" quality that forms the backbone of sophisticated distillation and extraction systems worldwide.

 

The Lenz range at LabFriend features professional distillation and separation solutions, headlined by their world-class conical ground joints, adapters, and round-bottom flasks. These components are essential for building modular, leak-proof glass apparatus for organic synthesis. For specialized fluid control, the brand provides advanced general laboratory aids, featuring high-precision PTFE and glass stopcocks designed for vacuum and pressure applications. Their portfolio also encompasses essential analytical measurement support, including specialized extraction apparatus (Soxhlet) and filtration units engineered for high-purity results. To support advanced research setups, Lenz offers silver-jacketed high-vacuum columns and specialized reactor lids tailored to specific experimental requirements. By choosing Lenz through LabFriend, you benefit from competitive pricing and fast shipping on premium borosilicate technology designed for absolute precision and long-term durability.

 

Why Choose Lenz for Your Laboratory?

  • World-Leading Ground Joint Precision: Lenz is the global benchmark for conical and spherical ground joints, ensuring a perfect, vacuum-tight fit across all modular glass components.
  • Premium DURAN® Material: By using only SCHOTT DURAN® borosilicate glass 3.3, Lenz products provide the highest possible resistance to water, neutral and acid solutions, and high temperatures.
  • Advanced Manufacturing Technology: The integration of CNC-controlled grinding machines ensures that every joint and stopcock adheres to strict DIN and ISO tolerances for unmatched reproducibility.
  • Extreme Chemical & Thermal Resistance: Engineered for the most demanding environments, Lenz glassware can withstand rapid temperature changes and contact with aggressive reagents without leaching or cracking.
  • Comprehensive Modular System: With thousands of standardized components, Lenz allows scientists to build complex, customized glass assemblies that are easily interchangeable and expandable.

Showing 161 - 176 of 1410 results

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

RM 44.00

Inc. GST

Part9.316 035
•
Mfr
Stirrer Guides with GL Male Thread, Cone NS 45/40 Thread GL 25
In stock
Lenz-Laborglas Stirrer Guides with GL Male Thread Cone (NS 45/40, GL 25)

RM 616.00

Inc. GST

Part6.223 283
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Mfr
Stirrer Guides with GL Male Thread, Cone NS 29/32 Thread GL 25
In stock
Lenz-Laborglas Stirrer Guide with GL Male Thread (NS 29/32, GL 25)

RM 638.00

Inc. GST

Part9.197 355
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Mfr
Evaporating Flasks , Cap. ml 100 Socket NS 29/32
In stock
Lenz-Laborglas Evaporating Flasks, Capacity 100 ml Socket NS 29/32

RM 181.50

Inc. GST

Part9.196 024
•
Mfr
Evaporating Flasks , Cap. ml 500 Socket NS 29/32
In stock
Lenz-Laborglas Evaporating Flasks, Capacity 500 ml Socket NS 29/32

RM 390.50

Inc. GST

Part9.196 044
•
Mfr
Evaporating Flasks , Cap. ml 1000 Socket NS 29/32
In stock
Lenz-Laborglas Evaporating Flasks, Capacity 1000 ml Socket NS 29/32

RM 500.50

Inc. GST

Part9.196 054
•
Mfr
Evaporating Flasks , Cap. ml 2000 Socket NS 29/32
In stock
Lenz-Laborglas Evaporating Flasks, Capacity 2000 ml Socket NS 29/32

RM 671.00

Inc. GST

Part9.196 063
•
Mfr
Evaporating Flasks , Cap. ml 3000 Socket NS 29/32
In stock
Lenz-Laborglas Evaporating Flasks, Capacity 3000 ml, Socket NS 29/32

RM 973.50

Inc. GST

Part6.202 040
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Mfr
Round-bottom Flasks, 50 ml, NS 29/32, DURAN®
In stock
Lenz-Laborglas Round Bottom Flasks, 50 mL, NS 29/32, DURAN

RM 66.00

Inc. GST

Part9.011 835
•
Mfr
Round-bottom Flask 100 ml, NS 29/32, DURAN®
In stock
Lenz-Laborglas Round Bottom Flask, 100 mL, NS 29/32, DURAN

RM 77.00

Inc. GST

Part9.011 840
•
Mfr
Round-bottom Flasks, 250 ml, NS 29/32, DURAN®
In stock
Lenz-Laborglas Round Bottom Flasks, 250 mL, NS 29/32, DURAN

RM 159.50

Inc. GST

Part9.011 845
•
Mfr
Round-bottom Flask 500 ml, NS 29/32, DURAN®
In stock
Lenz-Laborglas Round Bottom Flask 500 mL NS 29/32, Duran

RM 209.00

Inc. GST

Part9.011 850
•
Mfr
Round-bottom Flasks, 1000 ml, NS 29/32, DURAN®
In stock
Lenz-Laborglas Round Bottom Flask 1000 mL NS 29/32, Duran

RM 291.50

Inc. GST

Part9.011 855
•
Mfr
Round-bottom Flasks with Conical Joint, Cap. ml 2000 Socket NS 29/32
In stock
Lenz-Laborglas Round Bottom Flasks with Conical Joint, Capacity 2000 mL Socket NS 29/32

RM 500.50

Inc. GST

Part9.011 860
•
Mfr
Round-bottom Flasks with Conical Joint, Cap. ml 1000 Socket NS 45/40
In stock
Lenz-Laborglas Round Bottom Flasks with Conical Joint, Capacity 1000 mL Socket NS 45/40

RM 561.00

Inc. GST

Part9.011 869
•
Mfr
Round-bottom Flasks, 25 ml, NS 14/23, DURAN®
In stock
Lenz-Laborglas 25 mL Round-Bottom Flask, with NS 14/23 Joint

RM 55.00

Inc. GST

Part9.011 802
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Mfr

Frequently asked questions

Borosilicate 3.3 glass has a very low coefficient of linear expansion. This makes it highly resistant to thermal shock, allowing it to be heated and cooled rapidly without the risk of breaking compared to standard soda-lime glass.