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📊 Membrane Properties:
| PHYSICAL PROPERTIES | REFERED TEST STANDARD | UNIT | TYPICAL DATA |
|---|---|---|---|
| Membrane Color | / | / | Grey |
| Membrane Construction | / | / | ePTFE |
| Membrane Surface Property | / | / | Hydrophobic |
| Thickness | ISO 534 | mm | 0.01±0.005 |
| Air Permeability | ASTM D737 (测试面积：1 cm²) |
ml/min/cm2@7KPa | >5000 |
| Water Entry Pressure | ASTM D751 (测试面积：1 cm²) |
KPa for 30 sec | >50 KPa |
| Transmission Loss (@1kHz, I.D.= 2.0mm) |
Internal Control | dB | < 1 dB |
| IP Rating (Test I.D.= 2.0mm) |
IEC 60529 | / | IP67/IP68 |
| ISO Rating (Test I.D.= 2.0mm) |
ISO 22810 | / | NA |
| Operation Temperature | IEC 60068-2-14 | ℃ | -40℃～260℃ |
| ROHS | IEC 62321 | / | Meet ROHS Requirements |
| PFOA & PFOS | US EPA 3550C & US EPA 8321B | / | PFOA & PFOS Free |
📐 Product Structure
⚙️ Product Model & Dimension
| 产品型号 | 外径（OD） | 内径（ID） | 透气量ml/min@7Kpa | 声损@1KHz |
|---|---|---|---|---|
| 100G20-A2040 | 4.0 | 2.0 | >157 | ≤1dB |
| 100G20-A2450 | 5.0 | 2.4 | >226 | ≤1dB |
| 100G20-A3347 | 4.7 | 3.3 | >427 | ≤1dB |
| 100G20-A3060 | 6.0 | 3.0 | >353 | ≤1dB |
| 100G20-A3376 | 7.6 | 3.3 | >427 | ≤1dB |
| 100G20-A4080 | 8.0 | 4.0 | >628 | ≤1dB |
| 100G20-A5094 | 9.4 | 5.0 | >981 | ≤1dB |
（Note: Dimensions can be customized.）
📈 Transmission Loss Curve：
Transmission Loss of ZZPIP-100G20-A acoustics membrane < 1dB @ 1KHz, and < 2.5 dB in the whole frequency range. XZP-100G20-A
⚠️ NOTE:
(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.
📱 Application：
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.
📝 Note：
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, since the performance of the product can only be judged when all necessary operating data are available.
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, since the performance of the product can only be judged when all necessary operating data are available.
💡 Frequently Asked Questions (FAQ)
What are the primary applications for this acoustic membrane?
This series of membranes is designed for portable and wearable electronic devices, including smartphones, earphones, smartwatches, Bluetooth speakers, and alertors. It provides reliable waterproof protection while maintaining excellent acoustic transmission performance with minimal sound loss.
What is the waterproof IP rating of the membrane?
Tested according to the IEC 60529 standard (with a test inner diameter of 2.0 mm), the membrane achieves an IP67/IP68 rating, ensuring high-level dust and water immersion protection.
What is the acoustic transmission loss of this membrane?
The transmission loss of the ZZPIP-100G20-A acoustic membrane is less than 1dB at 1KHz (with I.D. = 2.0mm), and remains under 2.5dB across the entire frequency range, ensuring minimal impact on sound quality.
Can the dimensions of the membrane be customized?
Yes, the dimensions of the product models (such as outer diameter and inner diameter) can be fully customized to meet specific application requirements.
What is the shelf life and recommended storage conditions?
The shelf life of this product is 5 years from the date of receipt, provided it is stored in its original packaging in an environment below 80° F (27° C) and under 60% relative humidity (RH).
What is the operational temperature range of the membrane?
Tested under the IEC 60068-2-14 standard, the membrane operates reliably in extreme temperatures ranging from -40℃ up to 260℃.