The Waterproof Membrane combines advanced polymer engineering with precision manufacturing to achieve superior protective capabilities. Each model in the PUW series offers distinct levels of air permeability, protection rating, and temperature resistance, ensuring an optimal solution for every application.
By utilizing high-quality materials and precise thickness control, the membrane maintains stable performance under harsh conditions — from freezing temperatures of -50℃ to extreme heat up to 250℃. Whether used in a jacket’s outer shell, an electronic vent, or an industrial filter, it consistently balances protection with breathability.

Superior Waterproof Performance
With protection levels ranging from IP65 to IP68, the membrane effectively prevents water, dust, and other contaminants from penetrating, ensuring long-term reliability in challenging environments.
High Breathability and Moisture Control
Featuring air permeability values between 170 and 5000 ml/cm²/min @7kPa, the membrane allows moisture vapor to escape freely while blocking liquid water. This feature helps prevent condensation and keeps surfaces or garments dry and comfortable.
Wide Operating Temperature Range
Designed for versatility, the membrane maintains consistent performance from -50℃ to +250℃, making it suitable for both extreme cold and high-heat environments.
Lightweight and Durable Construction
With thickness options between 0.02mm and 0.30mm, the membrane offers flexibility and strength without adding extra weight — ideal for high-performance apparel and sensitive equipment protection.
Multiple Color and Grade Options
Available in white, black, and dark grey, the PUW series fits various design requirements. All grades meet industrial standards for durability and stability.
Representative Product Parameters
| Model | Protection Level | Air Permeability (ml/cm²/min@7kPa) | Color | Thickness (mm) | Temperature Range (℃) |
|---|
| PUW878W | IP65 | 4000–5000 | White | 0.13±0.03 | -50~100 |
| PUW316 | IP66 | 3700–5000 | White | 0.20±0.03 | -50~130 |
| PUW575 | IP66 | 2200–3200 | White | 0.28±0.03 | -50~120 |
| PUW317 | IP67 | 2000–3500 | White | 0.18±0.03 | -50~130 |
| PUW657 | IP67 | 170–350 | White | 0.08–0.14 | -50~100 |
| PUW302W | IP68 | 2900–3400 | White | 0.02±0.01 | -50~250 |
| PUW310G | IP68 | 100–350 | Dark Grey | 0.20±0.03 | -50~250 |
(Other models available upon request.)
Applications
Outdoor Sportswear & Footwear – Enhances comfort by keeping sweat vapor out while blocking rain and snow.
Protective Workwear – Provides durable waterproofing for military, police, and industrial uniforms.
Electronics & Sensors – Used for venting enclosures to prevent condensation and pressure buildup.
Automotive & Aerospace Components – Ensures sealed protection for sensitive parts exposed to temperature extremes.
Medical and Industrial Equipment – Supports sterile, moisture-controlled environments.
Why Choose Our High Breathability Waterproof Membrane
Advanced Engineering: Manufactured with state-of-the-art processing for consistent micro-porous structure and stable performance.
Customization Available: Thickness, permeability, and color can be tailored to specific applications.
Reliable Quality Assurance: Each batch undergoes strict inspection to ensure compliance with international waterproofing standards.
Expert Technical Support: Our professional team provides guidance for selecting the right membrane for your project needs.
FAQ – High Breathability Waterproof Membrane
Q1: What is a High Breathability Waterproof Membrane?
A: A High Breathability Waterproof Membrane is an advanced material that prevents water penetration while allowing moisture vapor and air to pass through. It combines waterproofing and ventilation properties, ensuring protection and comfort in demanding environments.
Q2: How does the Waterproof Breathable Membrane work?
A: The membrane features a micro-porous structure that is small enough to block water droplets but large enough to allow vapor molecules to escape. This mechanism maintains dryness from the inside while keeping water out, making it ideal for outdoor, industrial, and protective applications.
Q3: What are the protection levels (IP ratings) of these membranes?
A: Our products cover protection levels from IP65 to IP68.
IP65: Protects against water jets.
IP66: Withstands strong water exposure.
IP67: Offers short-term immersion protection.
IP68: Ensures long-term waterproofing even under high-pressure or submerged conditions.
Q4: What applications are suitable for this waterproof membrane?
A: The Waterproof Breathable Membrane is widely used in:
Outdoor sportswear and footwear
Protective workwear and uniforms
Electronic device enclosures
Automotive and aerospace components
Medical and industrial filtration systems
Q5: What is the temperature range the membrane can withstand?
A: Depending on the model, the operating temperature ranges from -50°C up to +250°C, ensuring stable performance in extreme environments.
Q6: Can the membrane be customized?
A: Yes. We support customization of thickness, air permeability, color, and dimensions to meet specific product or industry requirements.