Silk powder

  post date: dec 28,2021   expiry date: dec 28,2022   detailed description: cas no. :9009-99-8 quantity: 1000kilograms specs:food grade and cosmetic grade 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…