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China Suppliers Factory e-PTFE Hydrophobic Breathable Membrane for Waterproof and Durable Outdoor Gear
Membrane Properties
| PHYSICAL PROPERTIES | REFERED TEST STANDARD | UNIT | TYPICAL DATA |
|---|---|---|---|
| Membrane Color | / | / | Black |
| Membrane Construction | / | / | Mesh/PTFE |
| Membrane Surface Property | / | / | Hydrophobic |
| Thickness | ISO 534 | mm | 0.07 ± 0.01 |
| Interlayer Bonding Strength (90 degree peel) | Internal Method | N/inch | >2 |
| Min Air Flow Rate | ASTM D737 (Area: 1 cm²) | ml/min/cm²@3Kpa | >6000 |
| Typical Air Flow Rate | ASTM D737 (Area: 1 cm²) | ml/min/cm²@3Kpa | 9000 |
| Water Entry Pressure | ASTM D751 (Area: 1 cm²) | KPa for 30 sec | 5 |
| IP Rating | IEC 60529 | / | IP64/IP65/IP66 |
| Water Vapor Transmission Rate | GB/T 12704.2 (38℃/50%RH) | g/m²/24h | >5000 |
| Oleophobic Grade | AATCC 118 | Grade | NA |
| Operation Temperature | IEC 60068-2-14 | ℃ | -40℃ ～ 100℃ |
| ROHS | IEC 62321 | / | Meet ROHS Requirements |
| PFOA & PFOS | US EPA 3550C & 8321B | / | PFOA & PFOS Free |
Technical Notes
(1) Acoustic Response and IP Grade test part dimension: I.D. 2.0 mm / O.D. 6.0 mm.
(2) The results are tested using a typical digital output MEMS microphone system and self-designed test device in ZZPIP laboratory with representative sample size. The design of the device will affect final performance.
(2) The results are tested using a typical digital output MEMS microphone system and self-designed test device in ZZPIP laboratory with representative sample size. The design of the device will affect final performance.
Applications
This series of membranes can be used in waterproof and acoustics membrane for portable and wearable electronic devices, such as Smart Phone, Earphone, Smart Watch, and Bluetooth Speaker, Alertor etc.
The membrane could provide the device with immersed waterproof protection and minimal sound transmission loss, keeping the device with the excellent acoustics transmission performance.
The membrane could provide the device with immersed waterproof protection and minimal sound transmission loss, keeping the device with the excellent acoustics transmission performance.
Shelf Life
Shelf life is 5 years from the date of receipt for this product as long as this product is stored in its original packaging in an environment below 80° F (27° C) and 60% RH.
Important Disclaimer
All data above are typical data for the membrane raw material, for reference only, and should not be used as special data for outgoing quality control.
All technical information and advice given here is based on ZZPIP’s previous experiences and test results. ZZPIP gives this information to the best of its knowledge, but assumes no legal responsibility. Customers are asked to check the suitability and usability in the specific application.
All technical information and advice given here is based on ZZPIP’s previous experiences and test results. ZZPIP gives this information to the best of its knowledge, but assumes no legal responsibility. Customers are asked to check the suitability and usability in the specific application.
Frequently Asked Questions
What is the shelf life of these acoustic membranes?
The shelf life is 5 years from the date of receipt, provided they are stored in original packaging at temperatures below 27°C (80°F) and 60% relative humidity.
Which electronic devices are these membranes suitable for?
They are ideal for portable and wearable devices requiring waterproof protection and high-quality sound transmission, such as smartphones, smartwatches, earphones, and Bluetooth speakers.
What IP ratings do these membranes support?
Based on IEC 60529 standards, these membranes typically support IP64, IP65, and IP66 ratings.
What is the operating temperature range?
The membranes are designed to operate effectively in environments ranging from -40℃ to 100℃.
Are the materials environmentally compliant?
Yes, the membranes meet ROHS requirements and are verified to be PFOA and PFOS free.
Does the membrane affect sound quality?
These membranes are specifically engineered for minimal sound transmission loss, ensuring excellent acoustic performance while providing waterproof protection.