The one thing that needs special explanation is that GORETEX is also good for other fabrics. The air permeability is achieved through a layer of glue inside the fabric. Most of them are white, so that when the body is out of motion, the moisture will pass through the layer of glue. Out of fabric (previously waterproof clothing is PVC, can not pass gas), but the conditions for moisture permeability are: the humidity outside the fabric is lower than the fabric! In other words, if the humidity outside the clothes is higher than the humidity inside the clothes, then the moisture not only does not go out, but will also leak back into the clothes! Of course, there is a waterproof treatment on the surface of the fabric, and its degree will be reduced correspondingly.
So breathable clothing is only suitable for wearing in areas with relatively low humidity in the north. In the south, it is dark and the humidity is 85% or more.
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Sanjin Plastic Industry Co., Ltd. , http://www.sdmakeuppackaging.com