This product is prepared from silk fibroin extracted from silkworm silk. The appearance is in the form of a freeze-dried sponge. Although this product has been sterilized, it is not considered sterile and is mainly used in scientific research, medical product development, cosmetics and other products. The specific indicators are as follows: Source of raw material: Bombyx mori silk Product form: freeze-dried sponge Product specifications: 10g/bottle Main molecular weight: ≧100 KDa Storage and transportation: dry and sealed at room temperature Shelf life: 24 months Reconstitution (water) time: <30 minutes (10%) Dissolution method: take appropriate amount of water and slowly add it to the freeze-dried product, shake it gently after standing, and use it after the dissolution is complete. Notice: (1) It is recommended to wear gloves when using it, because the product is partially damp due to hand sweat or water, which will affect its solubility; (3) It is recommended to use a wide-mouth container to dissolve; (4) Add water to dissolve it can be added from the center of the product to avoid dripping along the container wall; (5) This product takes a long time to dissolve in high concentration (≥15%) (≥45 minutes), please wait patiently, and gently shake if necessary, do not heat to dissolve or shake vigorously; (6) It is normal for a small amount of flocs to appear after mass dissolution, and it can be centrifuged or the supernatant can be taken.
