How to identify silk and rayon by hand?
Grasp the fabric and then let go, silk folds less than artificial yarn.
The silk is softer, bright but not glare; the luster of the rayon is similar to metal.
Silk feel soft, flexible, gently when the sound of silk, there is cool feeling; and rayon feel more rough, not wet cold feeling.
Water droplets on the fabric, hand rubbing, rayon easy to break, silk is more solid.
