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Membranes
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Whatman brings to the laboratory user a range of membrane filters whose advanced technical specifications make them today’s preferred choice for a wide range of applications. The membrane filters offer accurately controlled pore size distribution and higher strength and flexibility which ensure reproducibility and consistency. The Whatman membrane filter range includes pore sizes from 0.015 to 12 µm with a wide selection of membrane filters. Sterile and autoclave packs are available for specialized applications. Colored and gridded types are also available.



Quick Pick Reference Chart


Membranes
Membrane Type Material Pore Size* (µm) Diameter (mm)   Rectangular Brand Name
Track-Etched Polyester
(Polyethylene Terephthalate)
                                     
Polycarbonate
(4, 4-hydroxy-diphenyl-2,2’-propane) 
0.1, 0.2, 0.4, 1.0, 5.0

0.015, 0.03, 0.05, 0.08, 0.1, 0.2, 0.4, 0.6, 0.8, 1.0, 2.0, 3.0, 5.0, 8.0,
10.0, 12.0
13, 25, 47


13, 25, 37,
47, 50, 76,
90, 142, 293
-


19 x 42 mm
25 x 80 mm,
8" x 10"
Cyclopore
Nuclepore
Anopore Aluminum Oxide 0.02, 0.1, 0.2 13, 21, 47 - Anodisc
Cellulose Based Regenerated Cellulose


Cellulose Acetate


Cellulose Nitrate



Mixed Cellulose Ester 
(Mixture of Cellulose Acetate and Cellulose Nitrate)
0.2, 0.45, 1.0


0.2, 0.45, 0.8, 1.2


0.025, 0.1, 0.2, 0.45, 0.65, 0.8, 1, 1.2, 3, 5, 8, 12

0.2, 0.45, 0.6, 0.8, 1.2, 3
47, 50, 100, 110, 142

25, 47, 50, 110, 142, 293

13, 25, 30, 47, 50, 70, 82, 90, 100, 110, 142, 293

25, 37, 47, 50, 90, 100, 110, 142
-


300 x 600 mm


300 X 600 mm



-
-
Polytetrafluoro
-ethylene (PTFE)
Polytetrafluoro
-ethylene
0.2, 0.45, 0.5, 1, 5 25, 37, 47, 50, 90, 150 - -
Nylon (Polyamide) Hexamethylene-
diamine; Nylon 66
0.2, 0.45, 0.8, 1 13, 25, 47, 50, 90, 142 - -
Polyethersulfone (PES) Polyethersulfone 0.8 47 - -
Polypropylene Polypropylene 0.2, 0.45, 1.0 25, 47, 90 - -

* Not all pore sizes are available in all diameters.


Blotting Membranes

Diagnostic Membranes

Please select a product type
Track-Etched Membranes
Anopore Inorganic Membranes
Cellulose Membranes
Teflon (PTFE) Membranes
PM 2.5 Air Monitoring Membrane
Nylon Membranes
Polyethersulfone (PES) Membranes
Polypropylene Membranes
Membrane Accessories
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Product Types
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