Sulfamic Acid,Raw material for pesticide intermediate, ramification of sulfamic acid. Sulfamic Acid, Aminosulfonic AcidSpec:Purity: 99.5%MIN.Sulphate: 0.05%MAX.Water Content: 0.05%MAX.Fe: 5ppm MAX.Heavy Metal(Pb): 0.001%MAX.Usage: Metal parts cleaning ,getting away oxidize surface. Slightly corrosive to metal, used to flush boiler, and sterilize bacterium in water. Bleach fibre, wood and paper. ...