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Waterproof Breather Cap
  • Waterproof Breather CapWaterproof Breather Cap
  • Waterproof Breather CapWaterproof Breather Cap
  • Waterproof Breather CapWaterproof Breather Cap
  • Waterproof Breather CapWaterproof Breather Cap

Waterproof Breather Cap

You can rest assured to buy waterproof breather cap from our factory and we will offer you the best after-sale service and timely delivery.

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Product Description

The following is the introduction of high quality waterproof breather cap, hoping to help you better understand it. Welcome new and old customers to continue to cooperate with us to create a better future!

Technical Parameter

Airflow 0.3l/min (pressure difference 1Kpa)
Protection class IP68 (underwater 2 meters, soak for 1 hour, impermeable)
Breathable membrane material Expanded polytetrafluoroethylene (ePTFE)
Breathable membrane characteristics Waterproof, dustproof, high water resistance
Water blocking pressure 49Kpa
Suitable temperature -40℃~115℃
Core material TPE

Design and Dimensions


1. After 30 minutes of lighting, the humidity of the unused waterproof breathable cap is 98%, and the humidity of the xinzhenpin waterproof breathable cap is 82%.

2. After turning off the lights, after 35 minutes, the humidity of the unused waterproof vent cap has dropped to 37%, and the humidity of the Chuangcheng waterproof vent cap has dropped to 23%.

Technical Solution

What are the main applications of waterproof breathable caps?

At present, it is mainly used in auto parts, outdoor lighting fixtures, communication equipment and other fields.

How to choose the correct waterproof breathable cap?

The choice of waterproof breathable cap is related to the use direction, working temperature, installation size, ventilation requirements, protection requirements and other items. For details, please consult the company's sales staff.

What determines the air permeability of the waterproof breathable cap?

The air flow rate is determined by the material of the waterproof and breathable membrane, the effective air flow area, and the pressure difference between the inside and outside.

What are the requirements for waterproof breathable caps during installation?

The waterproof breathable cap is generally installed on the outside of the shell, and it is required to be on a flat vertical surface where water or other dirt cannot gather.

How to test the performance of waterproof breathable cap?

Waterproof and breathable performance are tested by professional equipment, and the simple test method can be consulted with the sales staff of the company.

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