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Moisture permeability properties of polytetrafluoroethylene clothing membranes



Looking at all current fiber fabrics, it is difficult to meet the waterproof and liquid barrier properties required by standards. Therefore, it is inevitable to laminate fabrics, and polytetrafluoroethylene clo…

Looking at all current fiber fabrics, it is difficult to meet the waterproof and liquid barrier properties required by standards. Therefore, it is inevitable to laminate fabrics, and polytetrafluoroethylene clothing membranes are used here.

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The PTFE film has excellent moisture permeability, which can promptly transmit the steam emitted by the human body to the outside of the microclimate, prevent water vapor from condensing into liquid water, and reduce the possibility of water conducting heat. Although there are a large number of micropores on the surface of the film, wind cannot penetrate it, effectively preventing air convection. Tests have shown that in strong winds of 25m/s, the thermal insulation effect of PTFE composite fabric is 30-40% higher than that of traditional down jackets.

The polytetrafluoroethylene clothing membrane is a new type of filter material that is compounded with a layer of polytetrafluoroethylene film on the surface of ordinary filter materials. This film is equivalent to a “primary dust layer”. Material exchange is carried out on the surface of the membrane, and effective filtration can be carried out from the beginning of use. It has durable waterproof, water-repellent, antibacterial, antistatic, flame retardant, moisture permeable and other physical and mechanical properties. It has good barrier properties against blood and viruses (liquid or gas heavy) under natural conditions and pressure conditions. The blocking (filtration) efficiency is greater than 99%.

The polytetrafluoroethylene clothing membranes produced by the manufacturer use imported raw materials, have a full set of advanced production equipment, an advanced clean room and an independent composite slitting workshop, ensuring that the ptfe membrane High-quality production quality; using production and testing instruments imported from the United States to test the quality of PTFE film, and passing international SGS testing and certification, as well as ISI testing and certification. Interested parties can enter the store and contact us. </p

This article is from the Internet, does not represent Composite Fabric,bonded Fabric,Lamination Fabric position, reproduced please specify the source.https://www.tradetextile.com/archives/7249

Author: clsrich

 
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