silk
Silk, silkworm cocoon by spinning after the preparation of natural protein fiber, and then through the preparation of the textiles, people through the sericulture, when the silkworm cocoon into the pupa ready to become moths, the cocoon into boiling water, And timely spinning. A cocoon can extract 800-1200 m of silk. Silk famous gloss appearance from the prism-like fiber structure, which makes the fabric at different angles to refract the incident light, and the light scattered out. In China, the term silk also refers to man-made, with the same natural silk glossy textiles. ...