2-Neck Round Bottom Flask, Borosilicate Glass 3.3, Various Volumes and Joints

Professional 2-neck round bottom flasks made of high-quality borosilicate glass 3.3 for versatile laboratory applications. The flasks feature a center neck with socket and a straight side neck – ideal for distillations, syntheses and other chemical processes.

Product Features:

• Material: Borosilicate glass 3.3 according to DIN ISO 3585
• Resistant to thermal and chemical stress
• Design: 2-neck round bottom flask with center neck socket (MH) and straight side neck (SH)
• Ground Joints: Available in common NS sizes 14.5/23, 29/32 and 45/40
• Volume Range: From 5 ml to 20,000 ml
• Quality: Rettberg brand product with certified laboratory quality
• Origin: Germany and Croatia (depending on variant)

Applications:

• Distillation processes
• Chemical synthesis
• Vacuum applications
• Digestion procedures
• Simultaneous connection of stirrers, thermometers or dropping funnels
• Process monitoring during reaction

Technical Properties:

• Temperature Resistance: -70 °C to +500 °C
• Chemical Resistance: High resistance to acids, alkalis and organic solvents
• Thermal Stability: Low thermal expansion, resistant to temperature shocks
• Purity: Low alkali content for highest laboratory standards
• Precisely manufactured ground joints for optimal sealing effect

Scope of Delivery:

• 1 piece 2-neck round bottom flask in the selected variant (volume and joint size)
• Please refer to the selected product variant for exact specifications

Important Notes!

Commercial Customers Only: Distribution exclusively to companies, public institutions and universities. Supply to private individuals is excluded.

Product Images: Images are for illustration purposes and may differ from actual delivery. A representative variant may be shown.