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Home » Schreiner ProTech Introduces PTFE Membrane

Schreiner ProTech Introduces PTFE Membrane

May 18, 2007
Schreiner ProTech today announced the introduction of their new PTFE (polytetrafluoroethylene) membrane, an air-permeable and waterproof material, particularly suited for the ventilation of equipment housings. Schreiner developed the PTFE membrane to enhance its self-adhesive and non-adhesive pressure compensation seals (PCS), allowing air molecules to pass through the PCS while restricting passage of water, oil and dirt particles. PTFE, commonly known as Teflon, has evolved into a material suitable for installation by means of pressure sensitive adhesives. Schreiner's PTFE membrane is oil, dirt and water-resistant, critically improving the performance of their PCS labels. The PTFE-enhanced PCS labels have been applied to various industrial applications within automotive, consumer electronics and medical technology. The seals protect electronic components by providing chemical and thermal-resistance to extreme elements, ensuring functionality of electronic systems in products like pressure sensors or small electric motors. Pressure compensation seals are made from microporous-membrane material that ensures pressure equalization, without allowing water or contaminants to pass through from the outside. A protective laminate is applied over the PCS to protect the sensitive membrane and provide functionality, even in automotive under hood applications. Schreiner's PCS labels are customizable, fitted to work with any customer application. Easy to install, they are ideal for automatic, off-the-reel processing and can be applied to surfaces either through ultrasonic and thermal welding, or with its industrial grade self-adhesive. Technical specifications include air permeability at greater than 5 liters/hr per square centimeter (and water resistance up to more than 0.6 bar (8.7psi). In addition, the membrane offers a wide temperature tolerance range from –40–160 C (-40–320°F).
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