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2022
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Why are jackets waterproof and breathable
Waterproof and breathable is the most basic function of a jacket. The waterproof and breathable function mainly depends on the fabric of the jacket.
Waterproof and breathable is the most basic function of a jacket. The waterproof and breathable function mainly depends on the fabric of the jacket. At present, there are various waterproof and breathable fabrics and technologies on the market. In fact, it is a film, and the principle of waterproof and breathable is not very good. Difficult, the main difference lies in materials and workmanship. At present, there are three commonly used in our jackets, ePTFE fabrics, PU fabrics, coated fabrics, etc.
Gore-tex is the world's earliest and most famous waterproof fabric, Gore-tex film is a polytetrafluoroethylene that can be stretched to a specific size, creating countless small holes that allow water vapor to pass through , but liquid water cannot pass through, so as to achieve the effect of waterproof and breathable.
At present, high-end PU fabrics are gradually catching up with ePTFE films, and PU has unique advantages in performance. Generally, ePTFE film is added to PU fabrics, because the clothes can be made very thin with ePTFE film. If there is no ePTFE film, then Clothes must be made very thick to achieve the desired waterproof performance.
Coated fabric is also a very common waterproof chatter. This fabric is almost airtight and has very general durability. It can be made into 2 layers, 2.5 layers, 3 layers, etc. Nice elasticity.
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