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Hydraulic and pneumatic transmission is a pressure fluid (pressure oil or compressed air) as the working medium, to achieve a variety of mechanical transmission and automatic control of the transmissi...
Melt-blown non-woven fabrics are mainly used to filter micron-level particles such as dust, microorganisms and haze, which can be called the "heart" of masks.By polypropylene microfiber random distrib...
The main factors affecting the yarn strength and elongation are the fiber properties and yarn structure. The strength and elongation of the blended yarn are closely related to the property difference ...
Twisting is to make the two sections of the yarn produce relative rotation, then the yarn in the original parallel to the yarn axis of the fiber tilt into a spiral line.For staple fibers, the main pur...
Top breaking strength is one of the important evaluation indexes, which directly reflects the durability index of knitted fabric when it is deformed and broken by external pressure. The commonly used ...
Textile production and production process are relatively complex, people wear clothing is actually through countless processes will be transformed from cotton or yarn into fabric products, among which...
Four cases where uncertainty is not reported 1.In some cases, recognized testing methods specify limits for the main sources of measurement uncertainty and specify the presentation of calculation resu...
The salt spray test is an environmental test that uses salt spray test equipment to create artificially simulated salt spray environmental conditions to confirm the corrosion resistance of a product o...
Tensile Strength Test method: ASTM D 5034, determination of breaking strength and elongation of fabric. Key points: This test provides information on the potential breaking strength of the garment fab...
Working principle: Constant temperature and humidity box is a special experimental equipment, it can fine-tune the internal environmental parameters (such as temperature, humidity, wind speed, a...
With the implementation of GB/T 4802.4-2020, ISO 12945-1: 2020, ISO 12945-2: 2020, ISO 12945-3: 2020, ISO 12945-4: 2020 and other method standards, the results of eye ratings of the above standards al...
Linear density is the thickness of fibers and yarns. It can be directly expressed by the cross-sectional diameter, cross-sectional perimeter or cross-sectional area of fibers and yarns. When the cross...