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The measurement methods of hygroscopicity of fiber materials can be divided into direct measurement method and indirect measurement method. 1. Direct measurement method A measurement of the weight of ...
Do you look at the laundry label when washing clothes? Why does the soap sometimes develop color when washing clothes? 1 What is the testing principle of color fastness to soaping? According to GB/T39...
Folding resistance Test standard: Experimental principle: experiment procedure: Wear resistance GB/T 3903.2-2008 Use a toothed metal grinding wheel to press vertically on the sole of the sample, and w...
1 Clarify the "down content" and "down content" Down is the soft gold of the apparel industry, and the down content of down is undoubtedly an important basis for the price of down. Therefore, it is ne...
The main factor affecting the color fastness to moisture 1, the type of fabric, fabric structure 2, textile pretreatment, such as desizing, boiling, bleaching, mercerizing, etc 3, the choice of textil...
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...
The salt spray test chamber is mainly used to simulate the corrosion resistance test of materials, coatings, electronic components, etc. in harsh environments such as marine and chemical industries, s...
The Martindale testing machine is a testing instrument used to evaluate the properties of textiles such as tensile breaking and abrasion resistance. Specific applications include the following aspects...
Laboratory samples are materials used in laboratory experiments. The amount is relatively small, and they are stored in specified containers and conditions. There is a strict management system for acc...
Fabric downproof testing machine refers to the performance of fabric to prevent the leakage of down or feather from the crack of yarn. Denotes the number of drill roots under specified conditions. Sui...
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...