High-quality polyester silk-like products can be confused with genuine products. The main reasons are: most high-grade silk-like fabrics are soft in color, with good printing effect, no waxy and plastic feeling, slippery but not weak, with a feeling of bulkiness and heaviness, and the latest silk-like fabrics still have silky sound.
Compared with real silk products, polyester silk-like products have poor hygroscopicity, breathability and drape when worn. Walking in a silk skirt is easy to be adsorbed on the legs, which is because the antistatic effect is not good.
Simple combustion identification method can be used to identify polyester silk-like fabric and real silk fabric. Before burning, take out some latitude and longitude lines and wet the silk with the tip of your tongue. It's viscose when it's wet, and silk when it's dry, but it's polyester. When burning, polyester filaments melt near the flame, dropping bubbles when melting, and can continue to burn after leaving the flame, with a few smoke, gray and hard, round black or light brown; Silk sizzles when it burns, but it will go out by itself when it leaves the fire, so it is difficult to continue burning. When burning, it has the smell of burning feathers or stinking, and the ash is large, black and fragile.
Some people in the market sell chemical fiber silk fabrics as real silk, so we should pay attention to the differences when buying them. The simple method is:
(1) discount
Hold the cloth with your hands and let it go. Silk products can wrinkle because of their good elasticity. Man-made silk fabrics are obviously creased, so it is difficult to recover quickly.
Step 2 touch
Silk products have the feeling of holding hands when touched by hands, while chemical fiber silk products do not have this feeling. Man-made silk fabrics are smooth and soft, but not stiff; Nylon silk feels hard but not soft by hand.
(3) pull
Take a few fibers from the edge, wet them with your tongue and tighten them hard. If they break easily in wet places, they are rayon. If it is not necessarily broken in a wet place, and the broken wires at the broken ends are clustered in different lengths, it is real silk.
(4) Look
Silk fabrics are soft and uniform in luster, bright but not dazzling; Artificial silk fabrics are bright, but not soft and dazzling; Although the luster of polyester filament products is uniform, there are bright spots or strip-shaped bright filaments; Nylon silk fabric has a poor luster, as if it were coated with wax.
(5) grinding
Silk fabrics are resistant to friction because the silk surface is protected by sericin. Dry silk fabrics make a sound when they rub against each other, commonly known as "silk sound" and "silk sound", but other silk fabrics do not have this sound.