1. Cotton fabric
Cotton fabric has strong alkali resistance, acid resistance, and high temperature resistance. It can be cleaned with various fat soaps or cleaning agents. Before washing, it can be soaked in water for a few minutes, but not too long to avoid damage to the color. Underwear should not be soaked in hot water to prevent the protein in the sweat from coagulating and adhering to the clothing, resulting in yellow spots. When using a cleaning agent, the preferred water temperature is 40~50°C. When rinsing, you can grasp the method of "small amount and many times", that is, you may not use a lot of water for each rinse, but you need to wash several times. Wring dry after each rinse, and then perform a second rinse to improve cleaning efficiency. Clothes should be aired in a ventilated and shaded place to avoid exposure to the sun under the strong sun, which will cause colored fabrics to fade.
2. Hemp fiber fabric
The hemp fiber is rigid and has poor cohesion. When cleaning, use lighter force than cotton fabrics. Avoid using a hard-bristled brush to scrub and rub vigorously to prevent the fabric from fluffing. Do not twist with force after washing, and do not soak colored fabrics in hot water, and should not be exposed to strong sunlight to avoid fading.
3. Silk fabric
Before washing, soak the clothes in water for about 10 minutes, and the soaking time should not be too long. Avoid using alkaline water to wash. You can choose neutral fat soap, washing powder or neutral cleaning agent. The bath liquid should be lukewarm or room temperature. After cleaning, gently squeeze the water and avoid twisting. It should be dried in a cool and ventilated place. It is not suitable to be exposed to the strong sun, and it is not suitable to dry.
4. Wool fabric
Wool is not alkali-resistant, so it must be cleaned with a neutral detergent. Wool fabrics will shrink and deform in an aqueous solution above 30°C, so the cleaning water temperature should not exceed 40°C. The cleaning solution is usually prepared with room temperature water (25°C). Avoid scrubbing with a washboard when cleaning, that is, use a washing machine to wash, it should be "lightly washed", and the cleaning time should not be too long to prevent milling. Do not twist after washing, squeeze it by hand to remove water, and then drain. Half a minute is appropriate when dehydrating with a washing machine. It should be dried in a cool and ventilated place. Do not expose it to strong sunlight to prevent the fabric from losing its luster and elasticity and causing a decrease in fabric strength.