The shrinkage rate of silk is high. It is advisable to buy finished products to choose specifications that are one level higher than the actual demand. If it is fabric, before making it, you should put the fabric in clean water and soak it for more than 5 hours, so that the fabric can completely absorb moisture and then dry it, and then soak it for the second time. In this way, the silk will not deform after two soaking and drying. The clothes can be washed at will. However, if you choose medium and high-end silk, it is best to use it for dry cleaning, so that the fabric does not need to be soaked in advance.
Artificial rayon has bright luster, slightly rough and hard feel, and it feels wet and cold. After clenching with your hands, let go, there are many wrinkles, and there are still marks after flattening. Pull out the cloth wire and rub it with the end of the tongue. The rayon is straightened and easily pulled and broken. The elasticity is different when dry and wet.
Silk has soft luster, soft touch, delicate texture, soft texture, rubbing each other, and can produce special sound, commonly known as "Silk" or "Silk" or "Silk" and let go after clenching with your hands. There are few wrinkles and are not obvious, and the silk silk is the same wet and elasticity.
The polyester has strong reflectiveness, high stiffness, rapid rebound, crispness, good wrinkle resistance, strong and powerful, and difficult to break.