How to identify the authenticity of silk

(a) handle visual assessment:

(1) visual method, show silk pearl luster, soft luster. The chemical fiber fabric sheen not soft, bright and dazzling.

(2) slender and long silk fiber, cotton fiber is short,Sexy silk dresses, curly wool. Fibers was uniform.

(3) Hand Method: silk soft, smooth and comfortable and close to the skin.

(b) Combustion:

(1) silk feathers burning smell when burned, is difficult to continue burning, will be self-extinguishing. Ash fragile, brittle, fluffy, black.

(2) Rayon (viscose fiber) mixed with burning chemical smell when burning paper. Continued burning fast. In addition to no light except the ashes no dust,

a small amount of gray between the black ash.

(3) Cotton Lun, a very weak combustion polyester sweet, not directly continued burning or continue burning slowly, ashes hard round, pearl-like.

(4) cotton and hemp are the taste of burning paper, ashes soft, dark gray.

(5) Wool and silk almost burning. Can be seen both visually different.