Balancing Waterproofing and Sound Quality Requirements
Controllable Micropores (as low as 0.1μm): Effectively blocks water, oil, dust, and particulate natter, achieving protection ratings up toIP67/lP68 and above.
The open microporous structure ensures lossless penetration of sound waves, with a sound loss rate <1dB.
Allows gas molecules to diffuse freely and quickly balance the air pressure inside and outside the device.
Environmental Compliance: Meets international environmental standards such as RoHS and REACH; safe and non-toxic.
The ePTFE Waterproof Sound Permeable Membrane is specifically engineered to balance the demands of waterproofing, dustproofing,and sound transmission. Leveraging its unique microporous structure and material properties,it provides durable protection for equipment in harsh environments while simultaneously ensuring efficient transmission of sound, gases,or heat.
ePTFE membrane, PTFE filter membrane, PTFE film, PTFE filter film, ePTFE Waterproof Sound Permeable Membrane, waterproof and Sound Permeable media.
Communication Base Stations
Automotive Sensors
Smart Robots
TWS Earbuds
Ventilators
New Energy Batteries
| Code No | IP Grade | Sound Loss | Thickness | Air permeability | Bubble Point Pressure | Flow Speed |
| ICE60529 | 1000Hz | μm | ml/min/cm²@7KPa | Mpa | s @0.093Mpa | |
| PM500SP | IP68 | ＜2dB | 25-55 | ≥9500 | 0.01-0.016 | Hydrophobic |
| PM700SP | IP67 | ＜1dB | 25-55 | ≥13500 | 0.006-0.011 | Hydrophobic |
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