Filter Paper

SKU: 778165 Category:



Filter paper, qualitative, is used for monitoring specific contaminants in the atmosphere and soil. Grade 2 has the pore size of 8 µm.

Diameter: 240 mm

Grade: No. 2 
Weight (g/m²): 125
Thickness (mm): 0.26
Flow Time1 (sec): 80
Absorption Speed2 (cm): 8.0
Wet Strength3 (cm H2O): 17.3
Retention Characteristic (µm): 5 Medium 
Collection Efficiency (%, 0.3 µm DOP): 80

  • 100% Alpha Cotton Cellulose
  • pH Tolerant: 0 – 12
  • Temperature Maximum: 120°C
  • Ash Content: 0.1%

Retains medium crystalline precipitates, fast flow rate, smooth surface, and normal hardness.

  1. Flow time is the time in seconds required to filter 100 mL of distilled water at 20°C under pressure supplied by a 10 cm water column through a 10 cmsection of paper.
  2. Absorption speed is the distance in cm that water will travel in an upright strip of paper in ten (10) minutes at 20°C.
  3. Wet strength is the height in cm of a water column that will rupture a 10 cmsection of paper.



Additional information

Weight 1.6 lbs


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