Color and appearance:light brown power Viccosity(20, æ, /mpas.S):hv/mv/lv , y400/400-150/, ¨¹150 Sodium alinate(w/%¡ê©:, y50 Sodium sulfate(w/%):< 40 Sodium hexametaphosphate(w/%):< 10 Moisture(w/%):, ¨¹15.0 Calcium content (w/%), ¨¹0.4 Ph value:6.0-8.0 Viscosity decline rate/%:, ¨¹20.0 Permeability/s:, ¨¹90 Poly woven bag, 25kg/bag