about
CNbeyond

The main business of our company are PTFE filter membrane, PTFE textile membrane and other PTFE composite material . The PTFE membrane are widely applied in the fabric for outdoor and functional garments, and also used in atmosphere dust elimination and air filtration, liquid filtration. They also have excellent performance in electronic, medical, food, biology engineering, and other industries. Along with the development of both technology and application, PTFE membrane will have favorable prospects in waste water treatment, water purification and sea water desalination, etc.

news and information

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ePTFE Hydrophobic Membrane Pore Size Control for Sterile Air Filtration in Pharmaceutical Cleanrooms

Why Pore Size Control Determines Sterility Assurance In pharmaceutical manufacturing, sterile air filtration is not a preference — it is a regulatory requirement. Every air pathway into a Grade A or Grade B cleanroom must pass through a validated sterilizing filter, and the filter membrane must ...

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Waterproof Breathable Vent Membrane IP Ratings for Outdoor Electronics and Automotive Lighting Enclosures

TL;DR — The IP rating of a vent membrane-equipped enclosure is determined by the enclosure’s overall sealing combined with the vent membrane’s water entry pressure (WEP) rating — not by the membrane alone. Standard ePTFE vent membranes with WEP 20-60 kPa support IP67 (immersion to 1 ...

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Flame Retardant ePTFE Moisture Barrier Layers for NFPA 1971 Certified Firefighter Turnout Gear

TL;DR — The moisture barrier is one of three layers in NFPA 1971 certified structural firefighter turnout gear (alongside the outer shell and the thermal liner). The moisture barrier prevents liquid water, blood, body fluids, and chemicals from reaching the wearer’s skin while allowing wate...

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ePTFE Waterproof Breathable Membrane MVTR Ratings for Outerwear Brands Targeting Alpine Conditions

Why MVTR Is the Defining Metric for Alpine Outerwear Performance When an outerwear brand sets out to build a shell jacket for alpine conditions, the single most consequential specification on the table is moisture vapor transmission rate, or MVTR. This number, expressed in grams per square mete...

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Industrial Dust Filtration Membrane Efficiency: H11, H12, and H13 ePTFE Laminate Specifications for Baghouse OEMs

Understanding ePTFE Membrane Technology for Industrial Dust Filtration Industrial dust filtration has evolved significantly over the past two decades, and expanded polytetrafluoroethylene membrane technology stands at the forefront of that evolution. ePTFE membranes are manufactured by stretchi...

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