

Technical Specifications & Data Sheet
- Material: Borosilicate Glass 3.3
- Funnel: MAS 1667 / 1668 / MAS 1669
- Bowl Angle: 60° (designed to fit standard conical filter paper)
- Stem Type: Plain / Short Stem
- Stem Diameter: 10 mm
- Autoclavable: Yes (fully sterilizable
Thermal & Physical Properties (Borosilicate 3.3)
- Strain Point: 515 °C
- Annealing Point: 565 °C
- Softening Point: 820 °C
- Operating Temperature Range: Typically withstands extreme thermal shifts (approx. -50 °C to 550 °C depending on application and wall gradient)
- Chemical Resistance: High resistance to water, neutral and acid solutions, strong acids, and organic substances.
Key Features
- 60° Cone Design: Ensures full surface contact with folded filter paper and prevents liquid bypass.
- Fire-Polished / Ground Rim: Reduces chipping risk and enhances safety during handling.
- Inert Surface: Prevents sample contamination or chemical reaction with reagents
