Your Leading EPTFE Membrane Supplier
Huzhou Kaili New Material Technology Co., Ltd. is strategically located in Huzhou, Zhejiang Province, China, a key hub in the Yangtze River Delta fluoromaterial industry cluster. We focus on the coating, finishing, and customization of high-performance fabrics using fluoropolymers and silicones. Our products include PTFE coated fiberglass fabric, PTFE open mesh Belts, PTFE adhesive tapes, PTFE rusing belts & seamless belts, silicone coated fiberglass fabric, etc. EPTFE (expanded polytetrafluoroethylene) is a microporous membrane derived from PTFE (polytetrafluoroethylene), known for its unique properties like being waterproof, windproof, and breathable, making it suitable for applications like filtration, venting, and pressure compensation.
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Eptfe Membrane in Professional Outdoor Apparel MaterialsThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Air Permeability: 0.5 – 20 L/m²·s (at 200 Pa). Hydrostatic Pressure: ≥ 10,000 mmH₂O (excellent waterproof rating). Moisture Vaporread more
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Eptfe Membrane For Next-generation Garment Fabric SystemsThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Air Permeability: 0.5 – 20 L/m²·s (at 200 Pa). Hydrostatic Pressure: ≥ 10,000 mmH₂O (excellent waterproof rating). Moisture Vaporread more
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Eptfe Membrane in Multi-functional Clothing TextilesThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Air Permeability: 0.5 – 20 L/m²·s (at 200 Pa). Hydrostatic Pressure: ≥ 10,000 mmH₂O (excellent waterproof rating). Moisture Vaporread more
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Eptfe Membrane For Weather Protection Garment FabricsThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Air Permeability: 0.5 – 20 L/m²·s (at 200 Pa). Hydrostatic Pressure: ≥ 10,000 mmH₂O (excellent waterproof rating). Moisture Vaporread more
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Eptfe Membrane For Outdoor Gear Fabric EngineeringThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Air Permeability: 0.5 – 20 L/m²·s (at 200 Pa). Hydrostatic Pressure: ≥ 10,000 mmH₂O (excellent waterproof rating). Moisture Vaporread more
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Eptfe Membrane in Composite Apparel Fabric ConstructionThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Air Permeability: 0.5 – 20 L/m²·s (at 200 Pa). Hydrostatic Pressure: ≥ 10,000 mmH₂O (excellent waterproof rating). Moisture Vaporread more
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Eptfe Membrane For Lightweight Garment Fabric SystemsThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Air Permeability: 0.5 – 20 L/m²·s (at 200 Pa). Hydrostatic Pressure: ≥ 10,000 mmH₂O (excellent waterproof rating). Moisture Vaporread more
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Eptfe Membrane For Durable Clothing Fabric StructuresThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Air Permeability: 0.5 – 20 L/m²·s (at 200 Pa). Hydrostatic Pressure: ≥ 10,000 mmH₂O (excellent waterproof rating). Moisture Vaporread more
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Eptfe Membrane in Technical Apparel Fabric ArchitectureThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Air Permeability: 0.5 – 20 L/m²·s (at 200 Pa). Hydrostatic Pressure: ≥ 10,000 mmH₂O (excellent waterproof rating). Moisture Vaporread more
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Eptfe Membrane For Textile Performance Enhancement LayersThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Air Permeability: 0.5 – 20 L/m²·s (at 200 Pa). Hydrostatic Pressure: ≥ 10,000 mmH₂O (excellent waterproof rating). Moisture Vaporread more
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Eptfe Membrane For Breathable Shell Fabric SystemsThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Air Permeability: 0.5 – 20 L/m²·s (at 200 Pa). Hydrostatic Pressure: ≥ 10,000 mmH₂O (excellent waterproof rating). Moisture Vaporread more
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Eptfe Membrane in Garment Waterproofing TechnologyThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Air Permeability: 0.5 – 20 L/m²·s (at 200 Pa). Hydrostatic Pressure: ≥ 10,000 mmH₂O (excellent waterproof rating). Moisture Vaporread more
Why Choose Us?
Rich Experience
Our factory specializes in the production of expanded polytetrafluoroethylene (e-PTFE) and its composite materials, with more than 10 years of industry experience, committed to providing high-performance solutions for various industries.
Quality Guaranteed
We carefully select high-quality raw materials and strictly control every link of production. With ISO9001:2015, IQNET, CE and SGS certifications, we ensure excellent product quality and reliability.
Advanced Production Technology
Kaili is equipped with cutting-edge European machinery, vertically integrated from weaving to coating, including high-speed warping systems, wide rapier looms, automatic dip coating lines.
Customized Solutions
The R&D programs conducted by our engineering team focus on customizing fabric tensile strength (up to 800 N/cm²) and surface treatments to meet specific industry needs.
Types of EPTFE Membrane
E-PTFE Nanofiber Mask Film
E-PTFE nanofiber mask film is a highly effective protective mask material. It is made of expanded polytetrafluoroethylene nanofibers and has a unique microporous structure that can effectively intercept tiny particles such as dust, smoke and microorganisms to ensure breathing safety.
E-PTFE Vacuum Cleaner Composite Filter Material
E-PTFE vacuum cleaner composite filter material is a high-efficiency filter material, which is composed of an expanded polytetrafluoroethylene microporous membrane and support material. It has excellent chemical stability and mechanical strength, can withstand the erosion of chemical cleaning agents, and is not easily worn.
E-PTFE Microporous Water Treatment Film
The e-PTFE microporous water treatment film is a microporous film made of polytetrafluoroethylene through an expansion and stretching process. It performs well in the field of water treatment, has high-efficiency filtration performance, can intercept tiny particles, and maintain smooth water flow.
E-PTFE Waterproof Clothing Membrane
The e-PTFE waterproof clothing membrane is a high-performance waterproof and breathable material designed for outdoor clothing. It is made of expanded polytetrafluoroethylene and has a unique microporous structure. These micropores can effectively block the intrusion of liquid water, ensuring that the clothing remains dry in harsh conditions such as heavy rain.
E-PTFE Microporous Air Film
The e-PTFE microporous air film is made of polytetrafluoroethylene and has a microporous structure formed by expansion and stretching. It has high filtration efficiency and can effectively intercept tiny particles. At the same time, it has good air permeability and allows air to flow smoothly.

Characteristic of EPTFE Membrane

High efficiency filtration performance
E-PTFE microporous air film can effectively intercept tiny particles with high filtration efficiency while maintaining smooth air flow.

Excellent waterproof and breathable
The membrane can block liquid water but allow water vapor to pass through, keeping the material dry and suitable for humid environments.

Excellent chemical resistance
E-PTFE material is resistant to chemical corrosion and suitable for harsh environments with chemical substances.

Good mechanical properties
E-PTFE microporous air film has stable mechanical properties, good flexibility, wear resistance, anti-aging, and long service life.
Customization options
Material
EPTFE
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Color
Multiple options
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Size
Customizable
03
Tensile strength
Up to 800 N/cm²; Customizable
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Surface treatment
Customizable
05
Usage of EPTFE Membrane
Filtration
One of the most popular applications of ePTFE membranes is in filtration. Due to its high porosity and small pore size, it can effectively remove particles as small as 0.1 microns from fluids and gases. This makes it a popular choice for use in medical devices, water filtration systems, and air filters, among others.
Venting with ePTFE membranes
Said membranes are also used as vents to allow air to pass through while keeping out water and other liquids. This is particularly useful in electronic devices, where pressure changes can damage internal components. ePTFE vents can also be used in automotive, aerospace, and marine applications to equalize pressure and prevent the buildup of moisture.
Pressure compensation
EPTFE membranes can also be used as pressure compensation elements. This is particularly important in applications where temperature and pressure changes can cause sealed enclosures to either build up or lose pressure. They can provide a reliable and consistent way to compensate for these changes, making them ideal for use in battery housings, fuel cells, and other similar applications.
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Packaging |
Wooden Cases, Cartons, Palletization. |
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Shipping |
By logistics; by shipping; by air. |
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Payment |
T/T, Paypal. |
FAQ
We're well-known as one of the leading EPTFE membrane manufacturers and suppliers in China. If you're going to wholesale high quality EPTFE membrane, welcome to get more information from our factory.
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Eptfe Membrane in Professional Outdoor Apparel MaterialsThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Airread more
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Eptfe Membrane For Next-generation Garment Fabric SystemsThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Airread more
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Eptfe Membrane in Multi-functional Clothing TextilesThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Airread more
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Eptfe Membrane For Weather Protection Garment FabricsThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Airread more
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Eptfe Membrane For Outdoor Gear Fabric EngineeringThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Airread more
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Eptfe Membrane in Composite Apparel Fabric ConstructionThickness: 5 – 100 μm (customizable based on application). Pore Size: 0.1 – 2.0 μm (microporous structure). Airread more

