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    50D

    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
    Diameter (mm) Product Code
    mm: 21 Product code: 50D021
    mm: 24 Product code: 50D024
    mm: 25 Product code: 50D025
    mm: 47 Product code: 50D047
    mm: 55 Product code: 50D055
    mm: 90 Product code: 50D090
    mm: 110 Product code: 50D110
    mm: 125 Product code: 50D125