Kunshan Xinzhenpin New Thin Film Material Technology Co LTD.
| Water Entry Pressure | ≥ 400 kPa |
| Moisture Vapor Transmission Rate | 8,000 – 18,000 g/m²·24h |
| Packaging Details | Small orders by express; bulk orders by FCL sea freight. |
| Payment Terms | T/T |
| Delivery Time | 15 working days |
| Color | White |
| Chemical Resistance | Corrosion-resistant，Acid-resistant |
| Thickness | 0.10 – 0.50 mm |
| Supply Ability | Monthly Output: 300,000 sqm |
| Air Permeability | Gurley：3 – 30 s/100ml @ 300 ml |
| Operating Temperature | -40°C to +150°C |
| Material Compliance | PFAS Free |
| Waterproof Rating | IP68 |
| Oleophobicity Grade | ≥ 7 |
| Size | Customizable |
| 90° Peel Strength | ≥ 15 N/25mm |
| Place of Origin | China |
| Certification | IATF16949/ISO |
| Model Number | OEM/ODM |
| Brand Name | OEM/ODM |
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Product Specification
| Water Entry Pressure | ≥ 400 kPa | Moisture Vapor Transmission Rate | 8,000 – 18,000 g/m²·24h |
| Packaging Details | Small orders by express; bulk orders by FCL sea freight. | Payment Terms | T/T |
| Delivery Time | 15 working days | Color | White |
| Chemical Resistance | Corrosion-resistant，Acid-resistant | Thickness | 0.10 – 0.50 mm |
| Supply Ability | Monthly Output: 300,000 sqm | Air Permeability | Gurley：3 – 30 s/100ml @ 300 ml |
| Operating Temperature | -40°C to +150°C | Material Compliance | PFAS Free |
| Waterproof Rating | IP68 | Oleophobicity Grade | ≥ 7 |
| Size | Customizable | 90° Peel Strength | ≥ 15 N/25mm |
| Place of Origin | China | Certification | IATF16949/ISO |
| Model Number | OEM/ODM | Brand Name | OEM/ODM |
| High Light | Outdoor Radio Speaker Acoustic Vent ，Two Way Radio EPTFE Vent Mesh ，Outdoor Waterproof Acoustic Mesh Vent | ||
EPTFE Outdoor Two Way Radio Speaker Waterproof Acoustic Vent Mesh
This EPTFE outdoor two-way radio speaker waterproof acoustic vent mesh is engineered for professional communication devices used in construction, public safety, adventure tourism, and operations. The vent mesh enables loud, articulate voice reproduction while completely sealing the speaker cavity against rain, dust, mud, and temporary submersion. The composite structure combines a rugged EPTFE membrane with a high-tenacity woven polyester carrier, delivering exceptional puncture and tear resistance. It maintains its acoustic properties across a wide temperature span, from arctic cold to desert heat, ensuring reliable performance in any theater of operation. The mesh is UV-stabilized to resist solar degradation during prolonged field use, and its hydrophobic surface actively sheds water, preventing the sound-muffling effect of a wet speaker grille. With a typical sound attenuation of less than 3 dB across the 300–3000 Hz voice band, the vent preserves the intelligibility that is essential for mission-critical communications. The product is supplied as precision die-cut parts with a robust acrylic adhesive that withstands vibration, shock, and thermal cycling.
Outdoor two-way radios must deliver clear, loud audio even when exposed to heavy rain or when dropped in puddles. Traditional fabric speaker covers absorb water, swell, and degrade, causing significant volume loss and permanent damage. This EPTFE mesh provides a non-absorbing alternative that instantly clears water because droplets bead up and roll off before they can block the acoustic path. The solution helps radio manufacturers meet MIL-STD-810H requirements for rain, humidity, and immersion. It eliminates costly warranty returns due to water-damaged speakers and maintains crew coordination in wet environments such as firefighting, marine operations, and search and rescue.
| Parameter | Typical Value |
|---|---|
| Material | EPTFE + high-tenacity PET woven carrier |
| Total Thickness | 0.28 ± 0.05 mm |
| Pore Size (EPTFE layer) | 0.2 – 1.0 μm |
| Air Permeability (Gurley) | 12 – 22 sec/100ml |
| Water Entry Pressure | ≥ 0.12 MPa |
| Acoustic Insertion Loss (300 – 3000 Hz) | ≤ 2.8 dB |
| Maximum SPL Handling | > 115 dB (continuous pink noise) |
| Operating Temperature | -40°C to +85°C |
| UV Resistance | No degradation after 2500 hours QUV |
| Adhesive | High-tack acrylic (peel >20 N/25mm) |
| IP Rating Achievable | IP67/IP68 |
Walkie-talkie speaker grilles, public safety radio mics/speakers, marine VHF radio speakers, industrial intercom panels, and field communication handsets.
The speaker driver generates sound pressure waves that travel through the EPTFE membrane’s open micropores and the woven carrier’s large voids. The hydrophobic EPTFE layer prevents water droplets from entering because the pore size is far below the droplet size and the water contact angle exceeds 120 degrees. Any water that lands on the outer mesh balls up and is shaken off by the speaker’s vibration or gravity. The PET carrier distributes mechanical stress from impacts or pokes, ensuring that the thin EPTFE layer remains intact. Additionally, the vent allows for slow air equalization, preventing pressure buildup inside the speaker housing during altitude changes.
Q1: Does the vent work at high altitudes?
A: Yes, the membrane equalizes internal and external pressure efficiently, preventing the speaker cone from being displaced by pressure differentials. Acoustic performance is maintained from sea level to at least 4500 meters.
Q2: Can it withstand repeated exposure to salt fog?
A: EPTFE is chemically inert and is not corroded by salt. The PET carrier is UV- and hydrolysis-resistant. The assembly passes 500 hours of neutral salt spray testing without performance loss.
Q3: How is the mesh cleaned after mud exposure?
A: Mud can be rinsed off with water. The hydrophobic surface releases dried mud easily. Do not use stiff brushes directly on the vent; a soft cloth or running water is sufficient.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2018
Total Annual:
1,000,000-2,000,000
Employee Number:
30~50
Ecer Certification：
Verified Supplier
Kunshan Xinzhenpin New Thin Film Material Technology Co., Ltd. Established in 2018, Kunshan Xinzhenpin is a specialized manufacturer dedicated to ePTFE waterproof and breathable membrane solutions. We operate a fully integrated production chain covering ePTFE raw membrane manufacturing, composite a... Kunshan Xinzhenpin New Thin Film Material Technology Co., Ltd. Established in 2018, Kunshan Xinzhenpin is a specialized manufacturer dedicated to ePTFE waterproof and breathable membrane solutions. We operate a fully integrated production chain covering ePTFE raw membrane manufacturing, composite a...
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