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Quick Details

  • Type: Waterproof Membrane
  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Sinri
  • Model Number: SV-005
  • Product Name: e-PTFEwaterproof acoustic vent membrane soundproof air vent
  • material: eptfe
  • Characteristic: waterproof / oil-resistant/ breathable/ acoustic protective vent
  • Temperature resistant: -40℃ ~ +125℃
  • Water entry pressure: -120mbar(>1M)
  • IP: IP67
  • Color: Black/White
  • Size/shape: can be customized
  • Certificate: ISO9001/RoHS/SGS
  • Application: acoustic vent for Microphone/Speaker/Buzzer/headset

Packaging & Delivery

Packaging Details Packing in PE bags and carton, 1000pcs waterproof acoustic vent membrane /bags
Delivery Time Within 3-10 days upon receipt of the payment.
Product Description

Our waterproof e-ptfe membrane can help in waterproof and resisting particles and corrosion while equalizing the pressure between internal and external the sealed enclosure.They are e-PTFE,which are :


2. air permeable
3.Chemically inert 
4.Temperature/UV resistant 
5. Particle blocking 
6. salt spray resistant

Product Name
e-PTFEwaterproof acoustic vent membrane soundproof air vent for  microphone/
Standard size
OD*ID=10*6 mm
Water entry pressure
 Temperature range
-40℃ ~ +125℃
Waterproof Rate
Products Show

Detail pictures of  e-PTFE waterproof acoustic vent membrane  soundproof air vent :

e-PTFE waterproof acoustic vent membrane soundproof air vent size/ shape can be customized according to customer' s products.Normally we make it round (ID*OD), or rectangle.

Installation instruction:

1) Use tweezers place the adhesive tape on the surface of the counterbore, and then press the patch against the mounting surface edge .

2) Press the rim after the adhesion for about 1.5s ;Don’t make any move on the membrane after adhesion until 24 hours.

TYPICAL APPLICATIONS of e-PTFE waterproof acoustic vent membrane soundproof air vent :

• Smart phone
• Portable media players
• Bluetooth earphone

• Headset
• Mic


 • Speaker



Product Application
Our packaging

Packing Details : Packing in PE bags and carton, 1000pcs waterproof acoustic vent membrane /bags

Delivery Details : Within 3-10 days upon receipt of the payment.

Our advantage

Sinri was established in 2015, specialized in manufacturing protective vent. With 10 years experience in producing molds and automation equipment, we had great capacity to produce more than 5000 unit of protective vent daily. Dust free workshop and automatic testing equipment make sure our product are 100% tested and qualified.

Our service

1. OEM / ODM welcome
2. Competitive advantage screw-in vent plug, snap-in vents, press-fit air valve
3. No MOQ & small order & sample order are welcomed
4. We will reply you for your inquiry in 24 hours
5.We will follow the order, assist logistics finishing importing, arrange consignments
    And we can be specific in suggesting and giving sample or technical solutions
6. 24*7 after sale service
7. We accept Paypal & Trade Assurance
8. With us your money in safe,your business in safe.

Our Company

About Sinri

Huizhou Sinri Science&Technology Co., Ltd is a technology-driven company focused on professional protective vent manufacturing.
With professional protective vent technology and based on e-PTFE, we design and manufacture a large number of products which are waterproof, oil-resistant, dustproof, decompression ,anti-explosion.
We have our own molding / injection factories and semi-automatic and full-automatic machine
to finish production. Now we’ve got a number of patents and through the ISO90001 /TS16949 system certification.

Our certificate

Q1:Are you a factory or trade company ?
A:We are a manufacturing factory specialized in protective vent and have a competitive price!

Q2:Can you offer free sample?
A:Yes,we can offer free sample for you to test the product quality first.

Q3:Can we print our company LOGO on the products,OEM or ODM service can be accepted?
 A:Sure, OEM&ODM service is available.

Q4:What‘s your payment terms?
A: 100%T/T,
Trade Assurance, Western union or Paypal.

Q5 :What is the lead time?
A: Sample can be offered 1-3 working days, mass production time is 5-10  working days .

Q6:How do you ship the goods and how long does it take?
A:Usually ship by DHL,UPS,FedEx or TNT,Air and sea shipping can be accepted, it takes about 2-5days to arrive.

Transaction History of the Supplier

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Transaction Overview


Transaction Details

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Transaction Value
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Trade Assurance
China (Mainland) | Manufacturer
Transaction Level:
Supplier Assessments:
19 Transactions 7,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $52,000
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