ePTFE Membrane, PTFE Membrane, ptfe vent membrane

About Chaoyue – Innovators in ePTFE Technology

Chaoyue is a leading manufacturer specializing in PTFE filter membranes, PTFE textile membranes, and advanced ePTFE composite materials. With over a decade of experience in membrane production, we deliver high-performance solutions trusted across industries including outdoor apparel, electronics, medical devices, food & beverage, and environmental engineering.

Our ePTFE membranes are engineered for exceptional waterproofing, breathability, chemical resistance, and filtration precision. From extreme weather gear to sensitive electronic enclosures, our materials ensure durability, safety, and comfort under demanding conditions.

10+ Years Expertise

Professional R&D Team

OEM & ODM Services

Free Sample Available

Our Premium ePTFE Membrane Products

Engineered for performance, reliability, and innovation. Explore our range of high-performance ePTFE membranes designed for diverse industrial and consumer applications.

ePTFE Micro Porous Membrane

Waterproof, breathable membrane for functional textiles. Ideal for outdoor apparel, military gear, and medical protective clothing.

• Waterproof & Breathable
• Windproof & Lightweight
• Chemical & UV Resistant
• High Durability

ePTFE Protective Vent Membrane

Advanced venting solution for electronics. Prevents water, dust, and oil ingress while equalizing pressure.

• IP68/IP69K Rated
• Pressure Equalization
• Oil & Dust Repellent
• Wide Temp Range (-40°C to 260°C)

ePTFE for Electronics Protection

Safeguard sensitive electronics in automotive, IoT, and industrial devices with superior environmental protection.

• Waterproof & Breathable
• Corrosion Resistance
• Long-Term Reliability
• Custom Shapes & Sizes

ePTFE Air Filter Membrane

High-efficiency filtration for cleanrooms, HVAC, medical devices, and industrial air purification systems.

• HEPA-Level Filtration
• Low Air Resistance
• Bacteria & Virus Retention
• Reusable & Cleanable

ePTFE Bubble Point Membrane

Precision filtration membrane with consistent pore structure for pharmaceutical, food, and biotech applications.

• Precise Pore Size Control
• High Flow Rate
• Chemically Inert
• Sterilizable (Autoclave)

ePTFE Composite Filter Media

Multi-layer filtration solution combining ePTFE with support substrates for enhanced strength and performance.

• High Dirt Holding Capacity
• Low Pressure Drop
• Thermal Stability
• Custom Lamination Options

ePTFE Windrow Cover

Durable cover for composting and waste management. Allows gas exchange while retaining moisture and odor.

• Permeable to Air & Moisture
• Odor Containment
• UV & Weather Resistant
• Long Service Life

ePTFE Flame Retardant Membrane

Ideal for firefighting suits and industrial protective apparel. Combines fire resistance with breathability.

• Flame & Heat Resistant
• Waterproof & Breathable
• Meets NFPA Standards
• Lightweight & Flexible

ePTFE Moisture Barrier Layer

Critical layer in protective clothing for emergency responders. Blocks liquids while allowing vapor transmission.

• Liquid Barrier Protection
• High Breathability
• Compatible with Laminates
• Durable Under Stress

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Why Choose Chaoyue ePTFE Membranes?

Engineered for excellence. Trusted by industries worldwide.

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Waterproof & Breathable

Our membranes block liquid water while allowing moisture vapor to escape, ensuring dryness and comfort.

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Chemical & UV Resistance

Resistant to acids, bases, solvents, and UV degradation, ensuring long-term performance in harsh environments.

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Extreme Temperature Tolerance

Operates reliably from -40°C to 260°C, ideal for both arctic and high-heat industrial applications.

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Pressure Equalization

Prevents pressure build-up in sealed enclosures, protecting electronics and packaging integrity.

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Precision Filtration

Achieve HEPA-level filtration with consistent pore structure and high flow efficiency.

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Custom OEM/ODM Solutions

Tailored membrane specifications, sizes, and lamination options to meet your exact application needs.

Frequently Asked Questions

What is ePTFE membrane?

Expanded Polytetrafluoroethylene (ePTFE) is a microporous membrane made from PTFE resin. It allows gases and vapors to pass while blocking liquids, particles, and microorganisms.

What are the main applications of ePTFE membranes?

Used in outdoor apparel, electronics vents, medical devices, air and liquid filtration, protective clothing, composting covers, and industrial enclosures.

Can you provide custom sizes and laminations?

Yes, we offer full OEM/ODM services including custom widths, thicknesses, pore sizes, and composite lamination with fabrics or nonwovens.

Do you offer free samples?

Yes, we provide free samples for evaluation. Contact us via the official website to request.

What certifications do your membranes have?

Our products meet international standards for filtration, breathability, and safety. Specific certifications available upon request.

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Advanced ePTFE Membrane Solutions for Industry & Innovation