How to roughly separate the fiber?
Elongation: hand stretch when the stretch is larger than the hair, vinegar; the smaller is cotton, linen; moderate is silk, viscose, rich fiber and most of the synthetic fiber.
Strength: the hand stretched to the broken, the strength is weak adhesive, vinegar, wool; strong is the silk, cotton, linen, synthetic fiber; wet strength decreased significantly after the protein fiber, Copper ammonia fiber.
Weight: than silk light is nylon, acrylic, polypropylene; than silk weight is cotton, linen, viscose, rich fiber; and silk weight is similar to vinylon, wool, vinegar, polyester.
