United Scientific Buchner Funnel, Porcelain, 35ml

United Scientific Supply Porcelain Buchner funnels include fixed perforated plates Funnels are glazed on inner and outer surfaces except for the rims Thermal Shock ResistanceВ- average coefficient of expansion from 20В Degree C to 200В Degree C is 356 x 10-5, gradually increasing to 469 x 10-5Вat 1050В Degree C Every batch of porcelain is heat tested in our factory GlazeВ- No softening occurs up to 1000В Degree C, and it is extremely white Resistance to Chemical ActionВ- Resistance to acids and alkalies is excellent, except for hydrofluoric acid - USS