Qingdao Jifa Group recently developed a new type of fitted fabric. The fabric is composed of three layers and two layers, namely, fleece double-sided bonding cloth, fleece single-sided bonding cloth, woven cloth double-sided bonding cloth, and woven cloth single-side bonding cloth. , knitted fabrics and other double-sided fabrics and so on.
The middle layer of the fabric is a polytetrafluoroethylene (abbreviated as PTFE) film laminated to various types of fabrics. It is especially windproof, waterproof, breathable and moisture permeable, and has excellent comfort. PU film composite and coated fabric garments can be separately processed into sportswear, sportswear, protective clothing, casual wear, light winter clothes and special protective apparel for special weather conditions.
The structure of the PTFE membrane is a multi-layered structure, with a distribution of micropores of about 9 billion per square meter. These micropores are 700 times larger than water molecules, and water vapor can go out, but the air cannot pass through, and thus has the effect of preventing wind and moisture.
When the cold wind wears clothes, it replaces a thin layer of warm air, called the microclimate, which is adjacent to the body's skin. This thin climate is replaced by a thin layer of warm air, which is about a centimeter thick. When this thin layer of air has a temperature of 34°C to 35°C and a humidity of 40% to 60%, comfort is usually felt. The PTFE membrane conforms to the fabric windproof clothing to eliminate the air cooling effect.
When the body is overheated, it will sweat regardless of what you wear, but if you wear a breathable clothing, sweat will not stay inside, but will volatilize out, in order to avoid discomfort caused by overheating, you must require that the clothes you wear have With good air permeability, the more intense the movement, the more heat and moisture will be generated, which requires better moisture permeability of the tissue structure of the apparel fabric. The PTFE membrane-fitting garments have such a function.
Tested PTFE-coated fabrics have been washed many times and can still maintain windproof and breathable properties.
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