Voir has 12 years of experience in material technology research and development, as well as production. Voir ® e-PTFE membrane has the functions of humidification, filtration and separation, explosion-proof and pressure relief, waterproof (oil) and breathable. It is the substrate microporous membrane of PEM, and its main components have the characteristics of strength, aging resistance, and high water vapor transmission efficiency. At the same time, it is also the humidification membrane material for the iteration and upgrading of Voir hydrogen humidifiers.