Silk
General
Silk is the most durable of animal fibers.
Silk-worm was only known in chine in BC 2000, after MS 5th century it was began to spread rapidly.
Silk-worm is grown in Eastern Mediterranean and Asian countries, and also mostly in Marmara region in Turkey.
Applications
It is used for;
Coatings,
Scarves and clothing,
Carpet and furnishings production.
Functions
Crude silk fiber length changes from 1500 to 5000 m.
There are two type natures forming crude silk as fibroin and sericin.
Crude silk include:
Fibroin: 63-67%
Sericin: 22-25%
Water: 7-11%
Oil: 0.5-1%
Inorganic substances: 1-1.7%
Specifications
Glace
Soft touch
High water absorption
High moisture absorption
Heat sensitive
Low electrical conductivity
Low resistance to acids
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