Min. Order Reference FOB Price
100 kg US$20.00-100.00 / kg
Product Description
CAS 9009-99-8 Silk Fibroin Powder Silk powder (silk fibroin powder) is a kind of macromolecular silk fibrin in powder form, which is made from the silk fibrin degummed under high pressure, requires special craft processing and smash through physical methods. Its molecular weight of is about 250000. ...