Eisco Dropping Funnels with PTFE Stopcock, Open Top

Supplier: Wards

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Borosilicate glass dropping funnels with PTFE stopcocks and open tops, ideal for basic extractions.

Cylindrical ungraduated glass dropping funnel
Made of durable, high quality borosilicate 3.3 glass which withstands high temperatures and thermal shocks
Open top for easily adding liquids
Fitted with a PTFE key stopcock
Used for extractions or to dispense liquids into a system slowly (drop-wise)

Autoclavable, with superior chemical durability. Low temperature gradient - can withstand high temperatures and thermal shocks.

Eisco Labs borosilicate glass has the following heat tolerances:
- Strain point 515 °C
- Annealing point 565 °C
- Softening point 820 °C

5 Options Available Below

Borosilicate glass dropping funnels with PTFE stopcocks and open tops, ideal for basic extractions.

Cylindrical ungraduated glass dropping funnel
Made of durable, high quality borosilicate 3.3 glass which withstands high temperatures and thermal shocks
Open top for easily adding liquids
Fitted with a PTFE key stopcock
Used for extractions or to dispense liquids into a system slowly (drop-wise)

Autoclavable, with superior chemical durability. Low temperature gradient - can withstand high temperatures and thermal shocks.

Eisco Labs borosilicate glass has the following heat tolerances:
- Strain point 515 °C
- Annealing point 565 °C
- Softening point 820 °C