Pressure Vent

Expanded polytetrafluoroethylene, or ePTFE, a hydrophobic material with a microporous structure, is the core technology behind IPRO pressure vent. It is installed in waterproof mobile phones to equalize pressure, preserve sound quality and ensure stable acoustics performance.

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Product Application : Pressure Vent

Introduction

With consumer electronics growing more popular by the day, the mobile phone industry has entered a highly competitive phase.

 

As consumers require mobile phones to adapt to challenging scenarios, water resistance has become a must-have feature for high-end phones. Leading manufacturers are offering IPX7 and IPX8 certified flagship models that can stand 4-6m water depth. Waterproof functions are expected to become standard configurations for all mobile phones in the next 3 to 5 years.

 

Also, consumers’ need for attractive appearance is pushing mobile phones to be ever thinner. This means for compact space to contain multiple electronic components that release a lot of heat due to which temperature rises and pressure starts building inside the casing, pressure will start building inside the casing, and eventually cause casing deformation, which threatens product reliability, sound quality and consumer experiences.

 

Stretching process creates porous structures, making IPRO pressure vent excels in air permeability, allowing the phone to breath. By micropores with a diameter between 0.1 and10 μm, dust is blocked thanks to the product’s strong filtration capabilities.

 

With both water and dust proof functions, phones will be safe wherever they are used, be it at the beach, in the bath or in the rain.

Key Features
  • Hydrophobic and permeable performance, with long service life;
  • Chemically inert, resistant to acid and alkali corrosion;
  • Dust-proof Rating: Up to level 6, preventing dust from entering the machine and damaging the components;
  • Resistant to splashes of soapy water, alcohol, coffee, etc.;
  • Operation Temperature: -40℃-+105℃.