More and more fashionable waterproof and breathable fabrics



With the arrival of hot and rainy weather, more and more people are choosing clothes with waterproof and breathable functions, but do you really understand the principle of waterpr…

With the arrival of hot and rainy weather, more and more people are choosing clothes with waterproof and breathable functions, but do you really understand the principle of waterproof and breathable?

Waterproof and breathable fabric is a new type of textile fabric. It is widely used in outdoor clothing, mountaineering clothing, windbreakers, raincoats, shoes, hats and gloves, sporting goods, medical equipment, etc., and is gradually used in fashion clothing.

In the state of water vapor, the water particles are very small. According to the principle of capillary movement, they can smoothly penetrate into the capillary tube to the other side, thus causing breathability. When the water vapor condenses into water droplets, they gradually become larger. Due to the surface tension of the water droplets (the water molecules “pull and compete” with each other), the water molecules cannot smoothly break away from the water droplets and penetrate to the other side, which is to prevent This prevents water penetration, making the breathable membrane waterproof.

Types of waterproof and breathable fabrics: There are two main types: water-resistant and waterproof. The former is divided into fiber/cloth type (not windproof but good breathability) and membrane type (windproof but poor breathability); the latter is generally breathable. Membrane type, two or three layers, windproof, two layers are softer and more breathable than three layers, while three layers are stronger. Water-resistant or highly water repellent fabrics will seep when pressure is applied to them.

The development of completely waterproof and breathable fabrics (waterproof) began in the late 1970s. Today’s products are completely waterproof and windproof while maintaining good breathability. However, garments made of this kind of fabric are not necessarily completely waterproof, mainly because of water seepage in seams or zippers. To ensure that the garment is completely waterproof, you need to glue all the seams (good garments use waterproof tape). This requires a lot of labor and cost, which is one of the reasons why such clothes are so expensive. Extended reading: https://www.alltextile.cn/product/product-34-674.html
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Author: clsrich

 
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