Buchner Flasks

Buchner Flasks Buchner Flasks Product Specification Capacity: 500mL Material: Borosilicate glass code 7740 Flask Style: Filtering Neck Style: Narrow Mouth Top Style: Heavy Duty Rim Rubber Stopper No.: 7 Height: 184mm Outer Dimension: 106mm Graduation Range: 150 - 500 mL Graduation Interval: 50mL Autoclavable: Yes Upper Working Temp: 230°C (446°F) Upper Extreme Temp: 490°C (914°F Lower Working Temp: -230°C (-382°F Max. Thermal Shock: 160°C (320°F) Product Description A Buchner flask, also known as a vacuum flask, filter flask made of borosillicate glass, side-arm flask or Kitasato flask, is a thick-walled Erlenmeyer flask with a short glass tube and hose.