Whatman Group offers Polycarbonate and Polyester Membranes. Whatman Group manufactures English mill making fine, handcrafted paper. The Polycarbonate and Polyester Membranes are true pore size micro porous membranes featuring sharp cut-off and reproducible micro filtration performance characteristics of track etched membranes. The smooth flat membrane ensures particles are retained on the surface so that they are easily visible under a microscope. The Polycarbonate and Polyester Membranes comes under the brand name "Cyclopore" are produced from a pure polymeric film and give exceptional chemical cleanliness. They are free of contaminants, have low tare weight, minimum water adsorption, and very low levels of non-specific protein binding.
