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PTFE Membrane is Giving Support to the Production of Medical Protective Clothing

Reusable protective clothing, generally used as daily work cloths and surgical gowns for medical staff, is mainly made of traditional woven fabric, high-density fabric, coated fabric and laminated fabric. Laminated fabric is made by combining ordinary fabric with a special film through lamination technology, which has become the mainstream choice in the industry due to its better protection and moisture and air permeability.


As relatively high-end laminated fabric, PTFE super waterproof and moisture permeable composite fabric, made of polytetrafluoroethylene (PTFE), is expanded and stretched to form a film with micro porous properties. The micro porous membrane is then coated on various fabrics and substrates with a special process to become a new filter material. Thanks to its small pore size, uniform distribution and large porosity, the micro porous membrane can filter dust particles including bacteria while maintaining air circulation to achieve purification and ventilation.


This kind of membrane adopts PTFE lamination technology, which is windproof, waterproof, breathable and moisture permeable, and has excellent comfort. At present, most developed counties use PTFE membrane. The medical multifunctional protective clothing developed with PTFE composite film as the isolation layer enjoys the physical and mechanical properties of waterproof, water-repellency, antistatic function, flame retardancy and moisture permeability, etc. It also enjoys good barrier performance to blood and virus under natural and pressure conditions, with the barrier efficiency greater than 99%.