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Qualitative Papers/ Grade 292

These qualitative filter papers are essentially used for analytical purposes and routine analyses, whenever no gravimetric analyses are required. They are wet-strengthened and can be used for pressure and vacuum filtration. They are made of refined pulp and linters with an > 95% α-cellulose content, are very pure with an ash content < 0.1%.

Item no.:  FT-4-205-090

Availability:  On Request

  • Made of refined pulp and cotton linters with an > 95% α-cellulose content,
  • Ash content < 0,1% according to DIN 54370
  • Wet-strengthened


Papiers filtres pour les laboratoires et l’industrie
fr 10.7 MB
Carte da filtro per il laboratorio e l’industria
it 9.0 MB
Filter Papers for the Laboratory and Industry
en 9.1 MB


Laboratory Filtration Products (US and Canada)
en 9.6 MB

Product properties

  • Color
  • Primary Product Type
  • Grade
  • Packaging
    Non-sterile, bulk packed
  • Pack Size
  • Weight
    87 g/m²
  • Material
    Cotton linters, low-nitrogen and nitrates
  • Filter Type
    Qualitative Filter Papers
  • Filter Format
  • Dimensions
    90 mm
  • Retention Rate
    5–8 µm

Technical attributes

  • Filter Material
    Cotton Linters (low-nitrogen and nitrates; < 0.06 % ash)
  • Area of Application
    • Clarification
    • Analytical Sample Preparation
    • Particle Analysis
  • Specifications
    Medium dense, medium fast filtering
  • Filtration Time
    45 s
  • Precipitations
    Fine crystalline
  • Thickness
    0.18 mm