Zhejiang Xinna Medical Device Technology Co., Ltd.
                                                                                                           
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32 Years
Since 1994
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China ePTFE Waterproof Breathable Membrane for Wearable Devices 100-1000ml/min/cm² Flow Rate 3ATM-10ATM Rating for sale

ePTFE Waterproof Breathable Membrane for Wearable Devices 100-1000ml/min/cm² Flow Rate 3ATM-10ATM Rating

Price Negotiable
Price: $0.10-0.35/ PC Please contact sales for actual price
MOQ: 10000PCS
Delivery Time: 20~25 days
Brand: NO
Product Description
ePTFE Waterproof Breathable Membranes for Wearable Smart Devices
Advanced ePTFE (expanded Polytetrafluoroethylene) membranes provide superior waterproofing while maintaining essential breathability for modern wearable electronics. These membranes enable deep waterproof protection up to 100 meters submersion while preventing pressure imbalances that can damage sensitive internal components.
Technical Specifications
Parameter Specification
Material 100% ePTFE
Air Flow Rate 100-1000 ml/min/cm² @ 7KPa
Waterproof Rating 3ATM / 5ATM / 10ATM
Operating Temperature -40°C to 135°C
Backing Adhesive Acrylic Acid
Key Features
  • Natural hydrophobic and oleophobic properties with excellent breathability
  • Extended service life with chemical inertness and acid/alkali resistance
  • Level 6 dustproof efficiency protects internal components
  • Resistant to soapy water, alcohol, coffee, and other common liquids
  • Temperature resistance from -40°C to 130°C
Product Structure
Detailed structural diagram of ePTFE membrane construction for wearable devices
Application Areas
  • Wearable smart electronic devices and smart watches
  • Two-way radios and intercom systems
  • Barcode scanners and portable devices
  • MEMS protective breathable products
  • Smart speakers and home automation devices
Performance Benefits
Our ePTFE membranes solve critical challenges in modern wearable technology by balancing internal pressure while maintaining waterproof integrity. This prevents component damage, ensures optimal speaker performance, and extends product lifespan in demanding environments.
ePTFE membrane installation in wearable smart device showing waterproof breathable technology
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Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Zhejiang Xinna Medical Device Technology Co., Ltd.
Location Huangnikan Industry Zone, Yucheng Street, Yuhuan, Taizhou City, Zhejiang Prov., China.
Contact Person Zhou

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