1. Pure cotton: biological fiber, no static electricity, no insulator, no allergy to the skin, easy to absorb water, heat-resistant, alkali-resistant, easy to change, more fluff, and poor finish. Burn the end of the thread with fire, there is no burnt smell, the product after burning is carbon, and it will be broken when you pinch it with your fingers.
2. Polyester-cotton: chemical fiber, easy to generate static electricity, electrical conductor, allergic to skin, not easy to absorb water, not heat-resistant, not alkali-resistant, not easy to denature, good finish. When the thread end is burned with fire, the flame is yellow, and there will be black smoke. The burning smell is the same as burning paper, and it will leave a little ash smell of inferior aromatics. After burning, the edges will become hard, and the ashes will be dark brown lumps, but they can be twisted into pieces.
The plaid is introduced here, now know the difference between polyester and cotton!