Our product: Native sweet potato starch, It's made of high quality sweet potato, and has some advantage such as pure white, highly viscosity and purity, and lowly acidity etc. It is mainly material for vermicelli and cold noodles, glass noodles, Dangmyeon. ??. SWEET POTATO STARCH is used in food industry, meat processing industry, pharmaceutical industry, etc.Package: 25kgs with in PP BAG or CRAFT PAPER BAG, 18-20TONS in 20?FclShelf- life:2 yearsSpecification as following: PH value : 6.0-8.0Viscosity: 600BU Min.Black specks: 3.0 Max. ( No./m2)Fineness: 100 meshMoisture: 15% Min.Ash content: 0.3% MaxSO2: 10.00 Max. (mg/kg)AS: 0PB: 0our chemical product: triethylamine, diethylamine,ethylamine,our feed product: tapioca residues/tapioca brewing dregs