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Orange Breathable Membrane Non-woven Fabric
The breathable membrane composite non-woven fabric produced by our company has good waterproof performance and high air permeability. It is the main material of choice for protective clothing. People will not feel uncomfortable when wearing it on their bodies, so that workshop workers can wear it for a long time. And according to customer needs to produce different thickness, different color products, to meet the needs of different scenes.
Key words:
SF Breathable Film Nonwoven
breathable
waterproof
Detailed description
Waterproof breathable membrane non-woven fabric is a new type of polymer waterproof material. From the production process, the technical requirements of waterproof breathable membrane is much higher than the general waterproof material; at the same time, from the quality point of view, waterproof breathable membrane also has other waterproof materials do not have the functional characteristics, waterproof breathable membrane in the construction field is mainly used in steel structure, wood structure building.
In the state of water vapor, the water particles are very small, and according to the principle of capillary motion, they can smoothly penetrate into the capillary to the other side, so that the phenomenon of vapor permeation occurs. When the water vapor condenses into water droplets, the particles become larger. Due to the surface tension of water droplets (water molecules "pull against each other"), water molecules cannot smoothly separate from water droplets and penetrate to the other side, that is, to prevent the occurrence of water penetration, so that the permeable membrane has a waterproof function.
The technology of waterproof and breathable membrane was first introduced from European and American countries. However, the production process of domestic products is varied, and the product quality of various manufacturers is uneven, and a unified quality standard has not been formed. In fact, the waterproof breathable membrane is mainly composed of PP spunbonded non-woven fabric and PE polymer breathable membrane. The role of spunbond non-woven fabric is mainly to enhance the tension and hydrostatic pressure and protect the breathable film, the real breathable mainly by the middle layer PE polymer breathable film.
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