Appearance: Filter Cake
Substances insoluble in acid(%): 0.01max
Water-soluble(%): 0.5max
Loss on ignition(%): 55-80
Chloride(%): 0.05max
Total nitrogen(%): 0.1max
Sulfur compound(%):0.01max
CaO(%): 0.05max
Fe(%): 0.002max
As(%): 0.0001max
Heavy metal(%):0.003max
K(%):0.005max
Na(%):0.05max
Mn(%):0.0015max
Particle size D50(um) : 20 max
Water(%) : 40-80