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Usually mixed mixed fibers, there are more than 2 types of fiber materials. For example, some clothing labels write 30% cotton, 60% polyester fiber, and 10% silk in the ingredient label column. This is a blend of cotton, chemical fiber and silk. Clothing made of materials. To obtain the result of the component content of these mixed fibers requires a method that is specifically used to detect the fiber content.
Actually related to fiber content The inspection plan has always been a worldwide problem. At present there isno instrument that can quickly detect the content of different fibers in the mixed fiber. There are usually two methods for testing the fiber content. One of them is chemical methods, one is microscopy.
1. Chemical Method is a method of dissolving a specific fiber in a specific solvent. The sample is previously weighed and placed in another solvent, and then dried to test the weight change to obtain fiber content data.
Two, Microscopic method consists of preparing a specific sample of mixed fibers and then enlarging the sample with a microscopeeat and watch. Different fiber materials have different colors and surface properties. It is easy to distinguish several different fibers. Then, the number of different fiber materials in the sample needs to be counted, and the data calculation is performed after the statistics is completed, so that the content data of different fiber materials in the mixed fiber can be obtained.
However, this method is extremely slow in detection as the test sample may contain thousands of fibers that need to be counted individually. If it uses digital(semi-automatic)fiber fineness analyzer for detection, requires skilled personnel for data statistics , one detection often takes 2-3 hours to complete; if a fully automaticAutomatic Fiber Fineness Analyzer is used, the computer can automatically count the number of fibers of different types, which can greatly improve the test efficiency, but it also takes half an hour to complete, and the price of Automatic Fiber Fineness Analyzer is very expensive, customers can choose the test plan according to their own needs.
