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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.

Properties
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
Available Sizes
Diameter (mm) Product Code
55 322055
70 322070
90 322090
110 322110
125 322125
150 322150
185 322185
240 322240
300 322300
320 322320