Separatory Funnel with PTFE Stopcock – Chemically Resistant and Precise

High-quality separatory funnels with PTFE stopcock made from borosilicate glass 3.3 according to DIN ISO 4800 for demanding separation processes in laboratory and analytics. The separatory funnels are available in two classic designs: pear-shaped (BF) and Squibb shape – each graduated or ungraduated.

Technical Features:

• Material: Borosilicate glass 3.3 according to DIN ISO 4800
• Stopcock: PTFE stopcock (polytetrafluoroethylene) with PE stopper (NS 19/26, NS 29/32 or NS 45/40)
• Shapes: Pear-shaped (BF) or Squibb
• Versions: graduated or ungraduated
• Volume: 10 ml to 10000 ml
• Manufacturer: Rettberg®

Applications:

Separatory funnels with PTFE stopcocks are particularly suitable for aggressive media and demanding extractions. PTFE (Teflon) offers excellent chemical resistance and enables safe handling even with corrosive substances. Ideal for liquid-liquid extractions, phase separations and shake-out procedures in organic chemistry, pharmaceuticals and chemical analysis.

Advantages of PTFE Stopcock:

• Extremely chemically resistant
• Self-lubricating without grease
• Low maintenance
• Precise dosing
• Long-lasting

Variants:

The separatory funnels are available in numerous sizes from 10 ml to 10 liters. Choose between pear-shaped and Squibb shape as well as between graduated and ungraduated versions – depending on your application requirements.

Important Notes!

Sale only to commercial customers: Distribution is exclusively to companies, public institutions and universities. Delivery to private individuals is excluded.

Product images: Images serve as illustrations and may differ from the actual scope of delivery. A sample variant may be shown.