Dear Value Customers, Thank you so much for interested in our Tapioca Starch - Industrial Grade. This is my honor to take care of your request. Our Tapioca starch - Industrial grade has some specifications as below: + Starch: 84% min + Whiteness: 89% min + Moisture: 13% max + Ash: 0.1% max + Fiber: 0.5% max + PH: 4-7 + Viscosity: 400BU min -