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Tetratex® expanded PTFE membrane microporous films and laminates provide the most effective venting solution for your devices. Tetratex ePTFE films are naturally hydrophobic and can be used as permeable water and dust barriers for venting of sensors, acoustic equipment, medical devices, industrial batteries, electronics and more.

Features & Benefits Tetratex High Performance ePTFE Membrane delivers a high particulate capture rate Exceptional flow rates with low inlet pressure Dissipates heat in micro-environments Equalises pressure Repels water and oil Regulates moisture Acoustic media has low sound transmission loss Chemically Inert Toxicity tested to USP 23, Class VI High solids holding capacity Easy connection to other materials as well as excellent mechanical resistance in harsh environments

Applications The unique hydrophobic, oleophobic and high filtration efficiency properties of Tetratex have led to use the material in many applications requiring simultaneous pressure relief and liquid barrier properties. Industrial Batteries Acoustic Protection - Buzzer Alerts, Outdoor Speaker Phones, Headsets, hands free microphones Pressure Venting Sensor Venting – Gas Odour/Oxygen Today’s sensors are often required to operate in environments detrimental to their reliability. Long-term exposure to airborne contamination such as particles, oil, water, salt water, hydrocarbons, water vapour and acid gases can lead to signal error, calibration drift and finally, sensor failure. Tetratex membranes provide the most cost-effective sensor contamination control solutions available. Sterile Tank Venting Fermentation air applications Microbiology Laboratory Instruments Protein Purification Sample Preparation/ Protein Removal Final Filtration