Origin of Application

In the early days, people created raincoats, umbrellas, and rain cloth to shield themselves from rain and prevent water from soaking into fabrics.
Later on, for the sake of convenience, people desired regular outerwear to possess some level of waterproofing. However, such clothing lacked breathability, leading to discomfort with sweat accumulation during vigorous activities and a clammy feeling when the fabric adhered to the skin.
To regulate the internal temperature of clothing, improve its breathability, and enhance its texture, waterproof and breathable textiles were developed.
Waterproof and breathable fabrics, as the name suggests, aim to provide both waterproofing and breathability. It can be divided into "waterproof" and "breathable" to explain its characteristics.

Definition of waterproof and breathable

The main function of "waterproof" is to resist water penetration. This is usually achieved by laminating fabrics with waterproof and breathable membranes such as PTFE, PU, TPU, or by applying resin through transfer coating to a fabric that can resist water penetration.
On the other hand, the primary function of "breathable" is to expel the moisture and sweat generated by the body during physical activities, which helps to cool down and maintain comfort and dryness.
Therefore, "waterproof and breathable" represents a type of fabric that can block rainwater from entering while allowing the body's sweat to be expelled, solving the challenge of balancing both waterproofing and breathability in textiles.

What is the difference between "waterproof and breathable" fabrics?

The waterproof and breathable "air" includes not only moisture-permeable sweat and moisture, but also general gases, such as air, oxygen, and carbon dioxide. In a more professional way, breathability is related to the material of the middle layer film. If it is a non-porous material, the breathability statement focuses on whether sweat moisture can penetrate and excrete from the body. This statement focuses on moisture permeability rather than literal breathability. the meaning of. The real "waterproof and breathable" is like a microporous material, which relies on its own pores to prevent moisture from penetrating, moisture can be discharged, and can also maintain a breathable function, which can effectively improve the stuffy feeling of non-porous materials.

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