The Hydrophobic Breathable Membrane is engineered to provide superior water resistance while maintaining excellent breathability. This Waterproof Breathable Membrane effectively repels water on the outer surface, preventing liquid ingress while allowing water vapor to escape, making it ideal for applications where moisture protection and ventilation are both essential.

Key Features
Exceptional Moisture Resistance: The Hydrophobic Membrane Film prevents water penetration, protecting sensitive electronics, medical devices, and outdoor gear from water damage.
Breathability: Designed as a Breathable Waterproof Membrane, it allows air and vapor to pass through, preventing condensation and maintaining comfort in enclosed spaces or garments.
Durable and Reliable: The Water-Repellent Membrane maintains performance under various environmental conditions, including temperature fluctuations and high humidity.
Versatile Applications: Suitable for electronics, medical equipment, outdoor clothing, footwear, tents, and other protective gear.
| Model | Protection level | Air penneability | Color | Thickness | Temmperature Range |
| PUW878W | IP65 | 4000-5000ml/cm²/min@7kpa | white | 0.13±0.03 | -50℃~100℃ |
| PUW316 | IP66 | 3700-5000ml/cm²/min@7kpa | white | 0.20±0.03 | -50℃~130℃ |
| PUW575 | IP66 | 2200-3200ml/cm²/min@7kpa | white | 0.28±0.03 | -50℃~120℃ |
| PUW875 | IP66 | 3000-4000mVcm³/min@7kpa | white | 0.24~0.30 | -50℃~130℃ |
| PUW317 | IP67 | 2000-3500ml/cml/min@7kpa | white | 0.18±0.03 | -50℃~130℃ |
| PUW576 | IP67 | 1000-1500ml/cm²/min@7kpa | white | 0.15±0.05 | -50℃~130℃ |
| PUW657 | IP67 | 170-350ml/cm²/min@7kpa | white | 0.08-0.14 | -50℃~100℃ |
| PUW867 | IP67 | 1900-2400ml/cmi/min@7kpa | white | 0.15±0.04 | -50℃~130℃ |
| PUW871 | IP67 | 400-1000ml/cm²/min@7kpa | white | 0.13±0.03 | -50℃~100℃ |
| PUW872 | IP67 | 2000-3000ml/cm²/min@7kpa | black | 0.13±0.03 | -50℃~100℃ |
| PUW876 | IP67 | 300-600ml/cm²/min@7kpa | white | 0.09-0.15 | -50℃~150℃ |
| PUW302W | IP68 | 2900-3400ml/cm²/min@7kpa | white | 0.02±0.01 | -50℃~250℃ |
| PUW310G | IP68 | 100-350ml/cm²/min@7kpa | dark grey | 0.20±0.03 | -50℃~250℃ |
| PUW318 | IP68 | 800-1700ml/cm²/min@7kpa | white | 0.20±0.03 | -50℃~130℃ |
The above is part of the product data.If you want to know more information or customize production,please contact with our staff.
Major Benefits
Protection for Electronics and Sensitive Equipment: The Hydrophobic Breathable Membrane prevents water and moisture from entering devices, enhancing longevity and reliability.
Comfort and Ventilation: As a Breathable Waterproof Membrane, it maintains airflow, reducing condensation and overheating in enclosed spaces.
Durability in Harsh Environments: The Water-Repellent Membrane resists wear, high humidity, and temperature variations, ensuring consistent performance.
Wide Range of Applications: Perfect for electronics, outdoor gear, medical devices, automotive components, and other areas requiring moisture protection without compromising breathability.
Applications
Electronics: Protects sensors, circuit boards, and other sensitive components from moisture.
Outdoor Gear: Used in jackets, footwear, tents, and other apparel requiring waterproofing and breathability.
Medical Equipment: Prevents water ingress while allowing air circulation in medical devices.
Automotive Industry: Guards electrical components and batteries against moisture and dust.
FAQ – Hydrophobic Breathable Membrane
1. What is a Hydrophobic Breathable Membrane?
A Hydrophobic Breathable Membrane, also known as a Waterproof Breathable Membrane or Hydrophobic Membrane Film, is a high-performance material that repels water while allowing air and water vapor to pass through, ensuring both protection and ventilation.
2. What are the main benefits of using this membrane?
The Breathable Waterproof Membrane provides:
Protection against water, moisture, and dust
Maintains airflow and prevents condensation
Durability under extreme temperatures and environmental conditions
Versatility for electronics, outdoor gear, medical devices, and automotive applications
3. What industries use Hydrophobic Breathable Membranes?
Electronics and sensors protection
Outdoor clothing, footwear, and tents
Medical devices and equipment
Automotive components
Industrial filtration and protective gear
4. Can the membrane be customized?
Yes. The Hydrophobic Membrane Film can be tailored in size, thickness, color, and shape to meet specific requirements for various applications.
5. How does the membrane maintain breathability while being waterproof?
Its microporous structure allows air and water vapor to pass through while blocking liquid water, combining protection with ventilation.
6. Is the membrane environmentally friendly?
Yes. The Water-Repellent Membrane is non-toxic and safe for use in sensitive applications, such as medical devices and consumer products.
7. What is the temperature range for Hydrophobic Breathable Membranes?
Depending on the model, it can withstand temperatures from -50℃ up to 250℃, suitable for extreme conditions and high-performance applications.
8. How is this membrane different from other waterproof materials?
Compared with standard waterproof films, the Breathable Waterproof Membrane provides superior air permeability, moisture management, and long-term durability.