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What is Grade 50D?

Whatman Cross Reference = No.GFD
Speed class Slow, very high loading
Thickness (mm) 0.53
Pore size (μM) 2.7
Weight (g/m²) 120
Filtration Speed (sec*) 30
Burst Strength (Kg/cm²) 20
*According to DIN 53137
Available Sizes
Diameter (mm) Product Code
21 50D021
24 50D024
25 50D025
47 50D047
55 50D055
90 50D090
110 50D110
125 50D125