Silk fibroin is a natural high-molecular fibrin extracted from silk. The content accounts for about 70% to 80% of silk. It contains 18 kinds of amino acids, of which glycine (Gly), alanine (Ala) and serine (Ser) are approximately It accounts for more than 80% of the total composition. Silk fibroin itself has good mechanical properties and physical and chemical properties, such as good flexibility and tensile strength, breathability and moisture permeability, slow release, etc., and different forms can be obtained after different treatments, such as fiber, solution, powder, film And gels, etc.
1 Compared with other natural fibers and many high-performance synthetic fibers, it has unique mechanical properties
2 The application in the field of surgery has a long history
3 Membrane or other forms can be obtained through different processing methods, and the process is relatively simple
4 The surface properties can be easily changed by chemical modification of the amino groups and side chains of certain amino acids
5 It can be slowly degraded inside and outside the body
6 No danger to living organisms
Silk powder is a kind of silk protein with high molecular weight, water soluble. Silk Powder has the function of excellent natural humidity-control and caring for one's skin, preventing part of ultraviolet radiation, prevent and curing some skin disease result from all kinds of dampness and dryness. It has super effect used in prevent sunshine produce.
The silk powder possesses the unique ability of absorbing oil, therefore it is suitable for the cosmetics applied to the oily skin. The particle size is from 5um to 100um with various specifications.
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