Skip to content Skip to navigation menu

Qualitative Filter Papers/ Grade 1291 / 320 mm Folded Discs

These 320 mm diameter folded qualitative filter papers are ideal for analytical purposes and routine analyses. They are wet-strengthened for use in pressure or vacuum filtration. Made from refined pulp and cotton linters with more than 95% alpha-celluloose and an ash content of < 0.1% according to DIN 54370.

Item no.:  FT-4-209-320

Price:  $104.20

Availability (ex works):  For more information please log in

  • Made of > 95 % α-celluloose
  • Ash content below 0.1 % according to DIN 54370
  • Fine-pore, dense
  • Very slow filtering
  • 320 mm diameter
  • 100 folded filters per pack
  • Brochure

    Filter Papers for the Laboratory and Industry
    en 6,4 MB
    宣传手册:实验室过滤产品精简目录
    zh 19,0 MB
    Carte da filtro per il laboratorio e l’industria
    it 9,0 MB
    Papiers filtres pour les laboratoires et l’industrie
    fr 10,7 MB

    Catalog

    Laboratory Filtration Products
    en 21,6 MB
    Laboratory Filtration Products (US and Canada)
    en 9,6 MB

    Applications

    • Area of Application
      • Analytical Sample Preparation
      • Clarification
      • Particle Analysis

    Dimensions

    • Filter Diameter
      ⌀ 320 mm
    • Thickness
      0.15 mm

    Materials of Construction

    • Filter Material
      Cotton Linters and Refined Pulp (> 95 % alpha-cellulose; 0% ash)

    Physicochemical Information

    • Grade
      1291
    • Precipitations
      Very fine crystalline
    • Retention Rate
      2–3 µm

    Product Information

    • Filter Type
      Qualitative Filter Papers
    • Pack Size
      100
    • Packaging
      Non-sterile, bulk packed
    • Primary Product Type
      Filters

    Specifications

    • Filter Format
      Folded
    • Filter Paper/Membrane Color
      White
    • Filtration Time
      180 s
    • Specifications
      Fine-pore, dense, very slow filtering

    Weights

    • Weight
      84 g/m²