... name: AlK(SO4)2.12H2O Standard:GB1895-2004 Use: Food additive and water flocculant Product Name : Potash alum(aluminium potassium ... food fermentation, vermicelli processing, salted aquatic products, food preservative and additive.Chemical Industry:Water Flocculant, sizing of paper, Painting and dyeing ... (Factory direct sale) 99.3% potash alum as food additive and industrial applications