When traveling in China, many visitors would like to buy some smooth Chinese silk products as souvenirs. Before purchase, it is always wise to learn a common sense of the silk products including the features, identification and maintenance.

Features of Silk
As a natural fiber, the silk has irreplaceable uniqueness and great vitality. The silk dress has certain health care function to human body:

Firstly, the real silk has a good biocompatibility and brings the pleasant sensation due to composition of azelon. The smooth surface makes the smallest friction coefficient of all types of ribers.

Secondly, containing 18 sorts of amino acid, it has been regarded as the "Queen of Fiber"  for its good permeability, hygroscopicity and light absorbing ability.

Thirdly, it has excellent qualities of acoustic absorption, dust absorption and strongly heat-resistant. Moreover, it has the function of anti-ultraviolet radiation. The fibroin in it can well absorb the ultraviolet radiation. But after absorbing the ultraviolet radiation, the chemical changes will make it yellowing from day lighting.

Ways to Identify Real Silk
The most common ways to identify real silk are touch handling, eye observation, inflammation and chemical coloring.

* The silk fiber are silk is slim and long; cotton fiber is short; fleece is something curled; chemical fiver is perfectly uniform.     

* The handling and strength of fiver: touch the silk to feel softly delicate; nylon yarn, viscose, flax and cotton is to feel very similar but not the softness of natural fiber.  

* The appearance: silk fiber has bright natural luster like a pearl which chemical fiber does not have.

* Burning the silk fiber: has a taste like that of feature burning;  the burning is shortly self-extinguished.