Eisco Glass Powder Funnels - Jointed

Jointed powder funnels with ground cones and 60° angles.

• Made of high quality borosilicate 3.3 glass that is built to last and withstand multiple uses
• Features a ground cone for greater seal and extra stability when jointed to glassware
• Durable, uniform walls allow for ease of use and continual flow of liquid

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