Cylindrical Funnel – MAS 1667 / 1668 / 1669

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