Please login to your online account to display your discounted pricing

Whatman™ Mixed Cellulose Ester Membranes

Facilitates particle detection and minimizes eye fatigue with surface marks and color contrast. Whatman™ Mixed Cellulose Ester Membranes are available plain or gridded for automatic or manual counting procedures.

Manufacturer: whatman™  WHT10400912

 View more versions of this product

Catalog No. 09-927-189

  • / Pack of 100 Each

Description & Specifications


Grid Color Plain
Membrane Type ME 27
Quantity 100Pack
Size (Metric) Grid 3.1mm
Diameter (Metric) Outside 47mm
Diameter (English) Outside 1.85 in.
Material Mixed Cellulose Ester
Sterile No
Autoclavable Yes
Includes Interleaving paper
Pore Size 0.8μm
Protein Binding Capacity Medium
Temperature (English) Operating 266°F
Temperature (Metric) Operating 130°C
Thickness (Metric) 135μm
Waterflow Rate 2.8 sec./100mL/12.5cm2
Product Type Mixed Cellulose Ester Membrane

Offers a high degree of internal surface area for greater adsorption of product.
  • Excellent contrast for easier particle detection.
  • Grids are nontoxic and do not inhibit bacterial growth, ensuring sample integrity.
  • Black plain and black gridded membranes have a mix of cellulose nitrate and cellulose acetate.
  • Higher dirt loading capacity.
  • Biologically inert with good thermal stability.
  • No surfactants to contaminate samples.
  • Uniform microporous structure of membrane gives high flow rates.
  • Special nontoxic ink used is completely free from bacterial growth inhibitors
  • Manufactured under strictly controlled cleanroom conditions