How to distinguish polyester from rayon by hand feeling

How does the combustion law distinguish polyester from rayon? First of all, talk about the feel of polyester and rayon. First, the feel of polyester: put the cloth in your hand and hold it. It feels slippery when you rub it. The advantage is that it is not easy to wrinkle, and most sports wear polyester fabrics. Second, the feel of artificial cotton: it feels flat and warm. Its advantages are sweat absorption and good air permeability. Home clothes are mainly made of artificial cotton because they are comfortable to wear. Secondly, how to distinguish polyester from rayon by combustion method? 1. polyester: it has a pungent rubber smell after being ignited by fire. The flame is red with green, with black smoke, burning endlessly. It will stick if you pinch it with your hands. Second, artificial cotton: there is light smoke after being ignited by fire, and there is no pungent smell. The flame was red and burned completely, almost reduced to ashes. That's all my views. Write it for your reference, hoping to help you.