Venting and filtration materials

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  • Venting and filtration materials to your required dimensions

    Venting and filtration materials provide a vital role in the management of temperature, humidity, gases and pressure, and the prevention of liquid, dust and chemical contamination. Our product range includes hydrophobic materials that prevent the ingress of water, yet remain a fully functioning breathable membrane, even in harsh environments. Our oleophobic materials operate in the same way but resist ingress of oils and other low surface tension fluids.

    When sourcing the right venting and filtration solution, there’s no need to be restricted by pre-determined dimensions, materials or adhesives. Parafix can produce parts to your exact specification, be it for a custom width roll, into sheets or as custom shapes. We can also advise on the optimum venting material for your application and offer a broad range of material combinations through our partnerships with a wide range of world leading material manufacturers. The presentation of your part can also be custom designed, for example, for ease of handling or automated assembly.

    This doesn’t have to cost more than an ‘off the shelf’ part, in fact, our bespoke service is often better value for money; reducing your design and testing costs, improving manufacturing efficiencies and enhancing the quality of your products.


  • Search venting and filtration materials

    Browse through our range of venting and filtration materials below for more detailed information and product data sheets. If you would like to ask us a question about any of these products, simply click on “add to wish list” and the product details can be added to a contact form once you’re ready to get in touch. You can also send these details to yourself or a colleague.


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    • Adhesive
    • Carrier
    • Colour
    • Thickness (mm)
    • Min. temp (˚C)
    • Max. temp (˚C)
    • Nominal gurley (seconds)
    • Water intrusion pressure (mb)
    • IP rating
    • Filtration efficiency >99.99% (µ)
    • Size
    • Stock status
    • Manufacturer / SOS
    • BFE (%)
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    • Thickness range (mm)

    • Temp. range (˚C)

    • Airflow range (l/hr/cm² @70mb)

    • Water int. pressure range (mb)

    • Adhesive

    • Carrier

    • Colour

    • Nominal gurley (seconds)

    • IP rating

    • Filtration efficiency >99.99% (µ)

    • Size

    • Stock status

    • Manufacturer / SOS

    • BFE (%)

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    Any data provided relates to values typically generated when measuring these materials, and is offered as a guide to material selection. However it is not guaranteed and the user is responsible for evaluating the suitability of a product for the application it is intended for. Some test methods may vary, please refer to data sheet or call for assistance.

    Title Stock status Adhesive BFE (%) Carrier Colour Filtration efficiency >99.99% (µ) IP rating Manufacturer / SOS Max. temp (˚C) Min. temp (˚C) Nominal gurley (seconds) Size Thickness (mm) Water intrusion pressure (mb)
    Porex material MD25 Porex material MD25 3 None >99.9999 PTFE White Porex 260 -40 No data 0.19 >750
    Pall 200RC Versapor Membrane Pall 200RC Versapor Membrane 3 None Non-woven nylon White Pall No data No data 0.15-0.30 ≥1793
    Porex material PMV30 Porex material PMV30 3 None PTFE White 0.1 IP66 Porex 260 -40 No data 0.25 >700
    Pall 450RC Versapor Membrane Pall 450RC Versapor Membrane 3 None Non-woven nylon White Pall No data No data 0.15-0.30 ≥1103
    Porex material PMP31 Porex material PMP31 3 None PTFE White Porex 260 -40 4 0.14 No data
    Pall 800RC Versapor Membrane Pall 800RC Versapor Membrane 3 None Non-woven nylon White Pall No data No data 0.15-0.30 >551.6
    Porex material PMP32 Porex material PMP32 3 None PTFE White Porex 260 -40 5 0.25 No data
    Pall 1200RC Versapor Membrane Pall 1200RC Versapor Membrane 3 None Non-woven nylon White Pall No data No data 0.15-0.30 >413.7
    Porex membrane disc PMV15N Porex membrane disc PMV15N 3 Modified acrylic PTFE White 0.4 IP67 Porex 85 -40 No data 7x3 0.37 ≥ 265
    Pall 3000RC Versapor Membrane Pall 3000RC Versapor Membrane 3 None Non-woven nylon White Pall No data 0.15-0.30 >206.8
    Porex membrane disc PMV15I Porex membrane disc PMV15I 3 Modified acrylic PTFE White 0.4 IP67 Porex 85 -40 No data 10x7 0.37 ≥ 265
    Pall 5000RC Versapor Membrane Pall 5000RC Versapor Membrane 3 None Non-woven nylon White Pall No data No data 0.15-0.30 137.9
    Porex membrane disc PMV15W Porex membrane disc PMV15W 3 Modified acrylic PTFE White 0.4 IP67 Porex 85 -40 No data 12.7x7.1 0.37 ≥ 265
    Porex membrane disc PMV15C Porex membrane disc PMV15C 3 Modified acrylic PTFE White 0.4 IP67 Porex 85 -40 No data 20x13 0.37 ≥ 265
    Porex membrane disc PMV20N Porex membrane disc PMV20N 3 Modified acrylic PTFE White 0.1 IP65 Porex 85 -40 No data 7x3 0.44 ≥ 350
    Porex membrane disc PMV20I Porex membrane disc PMV20I 3 Modified acrylic PTFE White 0.1 IP65 Porex 85 -40 No data 10x7 0.44 ≥ 350
    Porex membrane disc PMV20W Porex membrane disc PMV20W 3 Modified acrylic PTFE White 0.1