Breathable Waterproof Acoustic Membrane
Model: PUW573
The Breathable Waterproof Acoustic Membrane is an innovative solution that combines breathability, waterproofing, and superior acoustic performance. Designed to protect sensitive devices from water, dust, and contaminants, this membrane allows air to pass through while maintaining excellent sound clarity. Ideal for electronics, automotive systems, and outdoor equipment, it ensures reliability and performance in even the harshest conditions.
Product Details
The Breathable Waterproof Acoustic Membrane is an innovative material engineered to deliver excellent waterproofing, breathability, and acoustic performance in one solution. Designed using advanced ePTFE and PTFE Waterproof Acoustic Membrane technology, it allows air and sound waves to pass through while effectively blocking water, dust, and other contaminants.
As a high-performance acoustic breathable membrane, it is ideal for applications requiring reliable environmental protection without compromising sound clarity — such as microphones, sensors, speakers, outdoor communication devices, and automotive electronics.
As a leading OEM acoustic membrane manufacturer and ePTFE acoustic vent manufacturer in China, we offer custom Waterproof Acoustic Membranes and customized acoustic vent films to meet various design and performance needs.

Key Features
Superior Waterproof and Breathable Protection – Ensures IP65-IP68 level water resistance while maintaining air permeability and clear sound transmission.
Excellent Acoustic Transparency – The microporous acoustic membrane structure allows sound waves to pass with minimal distortion, ensuring high-fidelity performance.
Durable ePTFE Material – Resistant to UV, chemicals, and temperature extremes, ensuring long service life even in harsh outdoor environments.
Flexible Customization – As a custom Waterproof Acoustic Membrane supplier, we provide thickness, pore size, and acoustic tuning options for specific application requirements.
Easy Integration – Compatible with different enclosure designs, suitable for acoustic vents for sensors, microphones, and automotive systems.
Manufacturing Process
Each PTFE waterproof acoustic membrane is precisely produced through:
Microporous Expansion of ePTFE Film – Creates a uniform pore structure for balanced breathability and waterproofing.
Precision CNC Die-Cutting – Ensures accurate dimensions for various device designs.
Lamination & Bonding – Provides mechanical stability and improves attachment to device housings.
Quality Testing – Every acoustic vent membrane undergoes strict air permeability, waterproof, and acoustic transmission testing to ensure consistent quality.
Material Selection
ePTFE (Expanded Polytetrafluoroethylene): Exceptional chemical and thermal resistance, ideal for waterproof and breathable acoustic film applications.
PTFE (Polytetrafluoroethylene): Provides excellent hydrophobic and oleophobic performance, preventing contamination while ensuring long-term stability.
Microporous Film: Offers fine-tuned air permeability and acoustic transparency for customized acoustic vent film solutions.
Applications
The Breathable Waterproof Acoustic Membrane is widely used in:
Consumer Electronics: Microphones, smartphones, earphones, smart speakers.
Automotive Systems: Acoustic sensors, camera protection vents, and control modules.
Outdoor Equipment: GPS units, communication radios, and wearable devices.
Industrial & Marine Electronics: Equipment exposed to high humidity and harsh weather conditions.
Medical Devices: Pressure-equalizing and sound-transparent protection membranes.
As a trusted breathable acoustic membrane supplier, we ensure performance and durability across multiple industries.
FAQ
Q1: Can the membrane be customized for different sound transmission levels?
Yes. We offer custom waterproof acoustic membranes with tunable pore size and thickness to match specific acoustic or environmental protection needs.
Q2: What are the available protection levels?
Our membranes meet IP65 to IP68 standards, providing excellent waterproof and dustproof performance.
Q3: What materials are available?
We supply ePTFE acoustic membranes, PTFE waterproof acoustic membranes, and microporous acoustic membranes based on customer requirements.
Q4: Do you offer OEM or custom production?
Yes. As an OEM acoustic membrane manufacturer and acoustic vent material factory, we provide full customization from design to mass production.
Q5: How fast is delivery?
For standard types, delivery is typically within 7–10 days; customized products may take 2–3 weeks depending on complexity.