This product is used as bactericide for treatment of industrial water-cooling circulation and sewage. This product is used as bactericide for treatment of industrial water-cooling circulation and sewage.Specifications:Description: Clear pale yellow transparent liquid Active content: 48% - 52%Phosphorous acid: 4.5% max.Iron: 35ppm maxChloride: 1% maxPh (1% solution): 2 max.Density: (200C) g / cm31 ...