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Electrical / Electronics

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Porex develops porous plastic components used in the manufacturing of many products for the global electrical and electronics market. Electronic components, computer and office equipment, telecommunications, consumer appliances, lighting, energy generation and storage, and general industrial and commercial electronics are among the many segments we serve.

One of the chief uses of porous plastics in electronics manufacturing is venting enclosures and housings that are designed to keep moisture and dust out while allowing air to flow, or that allow fluid to flow freely. Inkjet printer cartridges and automotive electronic control units are just two examples of typical POREX® Porous Plastics applications. New uses continue to evolve, from heat and pressure management to breathable seals.

Porous plastics' versatility enables a variety of applications. Components can be made from numerous base resins with specific property matrices. To achieve added functionality, Porex can vent, wick, diffuse, filter, or trap additives within the porous matrix. This enables us to create flexible and breathable components for electronic components and displays.

If you don't see the exact application you're looking for, please contact us to discuss how we may develop a customized filter product to meet your specific requirements.

Electronics Housings Protection Vents

POREX® Electronics Housings Protection Vents are used in electronic devices that have a physical housing to protect delicate components from human abuse and environmental conditions, to isolate electrical current, or to diffuse heat created during use. Vents can be applied onto housing features, insert-molded right into an enclosure, or can be used as a breathable seal between sections that allows the enclosure to equalize pressure while keeping dust, dirt, and moisture out. In addition, Porex can design custom solutions using high- temperature polytetrafluoroethylene (PTFE), UL-94 flame rated, IP 67, and NEMA tested or simple general purpose materials. 

Electronics Housings Protection Vents Request Samples › Genuine Porex

Sensors

Diverse sensing and monitoring challenges are solved by various POREX® Sensor Components. Components range from products that are designed to protect from dust and dirt to pressure sensors covers with barrier properties such as high water intrusion pressure resistance. Sensor components are able to trap contaminants while allowing target materials to pass, thus sensors can operate more effectively. Material options such as polytetrafluoroethylene (PTFE), polyethylene (PE), and engineered thermoplastics can enhance functionality in these type of applications.

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Ink Control Components

As printer technology evolves, Porex continues to leverage the ability of its components to wick, vent, diffuse, and filter to develop numerous new potential printer applications. POREX® Ink Control Components are used extensively in inkjet printer applications, including inkjet cartridge reservoirs, cartridge vents, overspray wicks, printer head lubricators, absorbers, and filters. 

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Acoustics/Sound Dampening Components

Wind screens for microphones, air dampers for speakers, vents for headphones, and general sound dampening are just a few of the niche sound and acoustic applications that utilize POREX® Acoustics/Sound Dampening Components. The shape and porosity of our acoustics products can be adjusted to fit a customer's specifications, such as being able to dampen specific wavelengths of sound.

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Thermal Management Components

POREX® Thermal Management Components are used in electronic devices to prevent premature failure due to the generation of heat related to electrical inefficiencies, or operation of electronic devices where temperatures can vary. Thermal management issues intensify when electronics are sealed as pressures can build within an enclosure causing stress on seals and other components. Thermal management vents allow heat and pressure to escape while keeping dust and moisture out. Thermally conductive components move heat away from sensitive electronic parts. Porex offers numerous materials and approved regulatory standard options to address a wide variety of thermal management challenges.

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Battery Vents/Separators

POREX® Battery Vents/Separators are used with lead-acid batteries to allow vapor to escape and arrest any flames resulting from overcharging. The evolution of the battery to more energy-dense rapid charging systems has brought new uses for porous materials such as membranes, separators, and catalytic support. Because battery systems can still dangerously expand and contract during use, numerous configurations are offered for excellent venting options to equalize battery pressure and to allow heat flow.

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Electrical Enclosure Vents

POREX® Electrical Enclosure Vents are designed to protect and insulate electrical or electronic components across a broad array of applications: manufacturers use our vents in assemblies ranging from large high-voltage equipment to small hand-held devices. Enclosure component offerings include venting and filtering solutions ranging from standard-sized porous vents that provide high water intrusion pressure while maintaining adequate air flow, to custom-molded parts designed into the enclosure (via physical attachment, insert molding, breathable gasket material, among others). Porex base materials are available in many options and at various UL-94 flame, IP 67, and NEMA ratings suitable for indoor or outdoor applications, which can be matched to a customer's specific enclosure needs. 

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Lighting Components

POREX® Lighting Components enable lighting to be designed to withstand the elements throughout the product lifetime. For example, automotive and general exterior lighting must be able to handle temperature, weather, and debris contact extremes. To function properly, a sealed lamp must be able to breathe, to allow for pressure differential and condensation issues. Porex microporous polytetrafluoroethylene (PTFE) breathable membranes offer high water intrusion pressure resistance, high temperature use, and oleophobicity. Other porous plastics with excellent UL flame ratings, IP 67 and NEMA tested, enhanced thermal conductivity or custom configurations are also available. 

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Vents and Seals for Solar/Renewable Energies

POREX® Solar/Renewable Energy Components include weather-resistant vents for solar panels, vents and breathable seals for power inverters and junction boxes, and numerous products for battery and storage systems. Renewable energy components also include membranes, wicks, and vents for fuel cells and other similar applications. Various standards such as UL-94, IP and NEMA can also be met.

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Flexible Electronic Substrates

POREX® Flexible Electronics Substrates are specially designed for today’s electronics world, where added flexibility is becoming more commonplace. Materials exhibiting excellent electrical properties, high robustness, flexibility, and temperature resistance high enough to withstand soldier reflow can be crucial to product function. Porex manufactures microporous polytetrafluoroethylene (PTFE) films that can meet all of these needs and more. Using a proprietary manufacturing process, certain functionalities and multiple properties can be incorporated into POREX® Porous PTFE Membranes that are not possible or difficult to do with expanded PTFE. Properties include fine control over porosity, trapping functional additives/catalysts within the pore structure, high dimensional stability, and the ability to be heat or vibrationally welded. The film can also be colored black which then can be marked using lasers or be made to blend into the background. 

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Breathable Seals

POREX® Breathable Seals are solutions that deliver advantages of a breathable component seal over a solid seal. Breathable seals are designed to minimize internal pressure and moisture or condensation, and to eliminate the need for a physical vent which can introduce entry points for foreign materials. Customized breathable seal solutions can be developed in materials from microporous polytetrafluoroethylene (PTFE) to breathable elastomeric materials where a standard product is not suitable. 

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