Wearable Electronics

Wearable Electronics

Mimoyin Wearable Electronics ePTFE membrane

Waterproof Membrane for Wearable Electronics

Ultra-thin ePTFE waterproof breathable membrane designed for wearable electronics such as smart watches, fitness trackers and hearing devices. It provides reliable protection against sweat, rain and dust while maintaining stable acoustic performance.

Product Capability at a Glance

MaterialsePTFE / TPU / PU
Waterproof ratingIP67 / IP68
Breathability200–12,000 ml/min @ Ø10 mm, 7 kPa (custom)
Temperature range (ePTFE)−40 to +260 °C
Acoustic loss (ePTFE acoustic)≤ 1 dB

Custom per spec — we match material to your drawing and test requirements.

Product Overview

The microporous structure of the ePTFE membrane allows air and sound to pass through freely while blocking water, moisture and contaminants. It ensures stable performance of compact wearable devices under daily sports and outdoor environments.

Core Advantages

  1. IP67/IP68 waterproof and sweatproof protection for wearable devices
  2. Acoustic insertion loss ≤1dB ensures clear sound transmission
  3. Ultra-thin and flexible design suitable for compact device structures
  4. Prevents condensation and fogging caused by temperature changes
  5. Custom micro die-cut shapes for mini electronic components

Main Applications

  • Smart watches and sports trackers
  • Fitness bands and wearable sensors
  • Waterproof hearing aids
  • Medical monitoring wearable devices
  • Bluetooth neckband earphones

Related Solution

Explore our waterproof breathable membrane system for TPU, ePTFE and PU material comparison and technical guide.

Order Information

  • MOQ: 1000 pcs
  • Sample Lead Time: 3–5 working days
  • Mass Production Lead Time: 7–15 working days
  • Mini ePTFE sweat-proof acoustic membrane for smart watches, fitness trackers and hearing devices