Use: Metal parts cleaning,getting away oxidize surface.Slightly corrosive to metal, usedto flush boiler, and sterilize bacterium in water.Bleach fibre,wood and paper. Remove nitrite in tobacco.Raw material for pesticide intermediate,ramification of sulfamic zcid.

Item	High class	First class
sulfamic acid %	≥ 99.80	≥ 99.50
sulpate (SO42-)%	≤ 0.02	≤ 0.02
iron (Fe3+) %	≤ 0.0005	≤ 0.0005
insoluble in water %	≤ 0.01	≤0.02
loss on drying %	≤0.03	≤0.05