One, hand feel. Pure wool fabrics usually feel silky, long-haired fabrics feel smooth and smooth, and the reversed hair has a tingling sensation. In blended or purified fiber products, some are soft, some are soft and loose, and they have a sticky feel.
Second, look at the color. The pure wool fabric has a natural and soft color, bright and no old feeling. In contrast, blended or purified fabrics have a dark or shiny appearance.
Third, look at flexibility. Hold it tightly by hand and let it open immediately to see if the fabric is elastic. Pure wool fabrics have a high rebound rate and can quickly return to their original shape. Blended or chemical fiber products, however, have poor wrinkle resistance, and most of them leave clear traces of creases or slow recovery.
Fourth, the combustion method to identify. Take a bundle of yarn and burn it with fire. The smell of pure wool is like burning hair. The smell of synthetic fabrics is like burning plastic. The harder the burned particles are, the more chemical fiber components are.
Fifth, single root identification. The hairs of all animals are scaly under the microscope. If they are long hair fabrics, they will move up or down as long as they take a few hair burrs. If they are ordinary fabrics, they will take a yarn and cut 2 cm. Divide each piece of fiber into one hand and place it on the palm of your hand for four or five times to see if they will move.
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