Buchner Funnels

Porcelain Buchner funnels include fixed perforated plates. Funnels are glazed on inner and outer surfaces except for the rims.

  • Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at 1050°C. Every batch of porcelain is heat tested in our factory.
  • Glaze - No softening occurs up to 1000°C, and it is extremely white.
  • Resistance to Chemical Action - Resistance to acids and alkalies is excellent, except for hydrofluoric acid.
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