Products

PUW EPTFE Material Co., Ltd. It is a high-tech company integrating R&D, production, sales and service.

The company introduces international advanced technology and focuses on the development and application of expanded polytetrafluoroethylene (PTFE).

EPTFE Membrane

Model: PUW657

The ePTFE Membrane (expanded polytetrafluoroethylene) is a highly versatile and durable material designed for applications requiring advanced waterproofing, breathability, and superior performance under extreme conditions. With its microporous structure, this membrane offers excellent resistance to water, dust, and chemical exposure, while allowing gases and air to pass through, making it ideal for industries such as electronics, automotive, medical devices, and filtration systems.

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Product Details

The ePTFE Membrane (expanded polytetrafluoroethylene) is a highly versatile and durable material designed for applications requiring advanced Waterproofing, breathability, and superior performance under extreme conditions. With its microporous structure, this membrane offers excellent resistance to water, dust, and chemical exposure, while allowing gases and air to pass through, making it ideal for industries such as electronics, automotive, medical devices, and filtration systems.

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Key Features

1.Superior Waterproofing and Protection

Provides effective resistance against water and moisture while maintaining breathability.

Rated IP67 and IP68, offering strong protection against dust and liquid ingress.

2.Breathable and Pressure-Efficient

Its microporous structure allows for efficient air and gas exchange, reducing internal pressure buildup and preventing condensation.

Ideal for applications requiring ventilation and moisture control.

3.High Durability and Resistance

ePTFE membranes are highly resistant to chemicals, UV light, and extreme temperatures ranging from -200°C to +260°C.

Provides long-term reliability even in harsh environments.

4.Excellent Acoustic and Thermal Insulation

Perfect for noise reduction, soundproofing, and thermal insulation applications.

Minimizes heat exchange while ensuring high acoustic transparency.

5.Customizable Design Options

Available in various thicknesses, sizes, and configurations to suit diverse applications.

Can be easily integrated into existing systems using adhesive bonding or ultrasonic welding.

Technical Specifications

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.

Applications

1.Electronics: Protects devices like smartphones, wearable tech, and cameras from water and contaminants while allowing efficient ventilation.

2.Automotive: Used in vehicle filtration systems, soundproofing, and waterproof enclosures.

3.Medical Devices: Ensures waterproofing and breathability for applications like wound dressings, filtration masks, and hearing aids.

4.Filtration Systems: Ideal for water, air, and gas filtration, providing superior filtration efficiency.

5.Industrial Applications: Provides reliable protection for sensors, communication devices, and other equipment exposed to harsh environments.

Benefits

1.Effective Moisture Control: Blocks water and moisture while allowing air circulation, preventing internal condensation.

2.Long-Term Durability: Resistant to chemicals, UV rays, and extreme temperatures, ensuring long-lasting protection.

3.Improved Sound and Thermal Insulation: Optimized for reducing noise and maintaining stable temperature conditions.

4.Versatile and Customizable: Tailored for a wide range of applications, from electronics to industrial systems.

Customization and Support

Our ePTFE Membranes can be customized to meet the specific requirements of your project, offering flexibility in size, shape, and functionality. Reach out to our team for expert guidance, customization options, and technical support.