water softener,emulgator,metal detergent,water treating agent for lboilers and regulating agent for ... : Na4P2O7Specifications:Names of indexIndexN4P2O7 %>=96.5Substances not dissolved in water %<=0.20PH value(1% of aqueous solution) <=9 ... to standardAppearancewhite powerApplication: Mainly used as water softer, emulgator , metal detergent, water treating agent for boilers and regulating agent ...