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    322

    What is Grade 322?

    This is a strong filter paper with a medium flow rate and retention. Grade 322 is commonly used in student laboratories. This strong general-purpose filter is also useful in Buchner funnels for barium carbonate, lead chromate and beryllium hydroxides.

    Whatman Cross Reference = No.93
    Speed class Fast Filtration
    Thickness (mm) 0.15
    Pore size (μM) 10-20
    Weight (g/m²) 64
    Filtration Speed (sec*) 50
    Burst Strength (Kg/cm²) 1.45
    *According to DIN 53137
    Diameter (mm) Product Code
    55 322055
    70 322070
    90 322090
    110 322110
    125 322125
    150 322150
    185 322185
    240 322240
    300 322300
    320 322320