As with most things, the nature than the man when it comes to producing quality materials. Silk is a material, a natural fiber all the cocoons of silk moth. The process is deceptively simple, but took place in a well kept secret in China for thousands of years.
The art of silkworm cocoon and his collection is known as sericulture. During the pupa, the silkworm (Bombyx mori) is a small caterpillar with a voracious appetite for mulberry leaves. The silkworm is completely tame, being both flying and blind, and dependent on man for its survival. The worms grow sericulturist through a rigorous selection of the best leaves and precise control of the environment. After about a month, the races of silkworm in a cocoon of silk, held together with a sticky substance called sericin. If allowed to hatch, the son of silk will be broken, making it harder to turn the fibers into long filaments, so that the worm is usually killed by heat, while remaining within the cocoon. Silk butterfly caterpillar is a sentient creature with a very precise temperature and humidity. That's why silk is an excellent insulator, breathable and ideal for filling a comfort.
After the cocoons are collected and sorted for quality, are immersed in water to dissolve the sericin and staggered (09:57 components at once) to create a thread of silk. From this point, the silk is treated as the most fiber (unless it is used as dental floss for filling): It is woven and dyed using Various techniques to create the wide range of silk fabrics currently available.
Sources:
http://www.rdricketts.com/worm.html
http://www.silkmerchant.com/about_silk.html
http://www.liverpool.k12.ny.us
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