... water, alkalescence,noncorrosive,has remarkable to calcium ion and magnesian ion , display alkalescence and noncorrosive.It is a inorganic surface active agent ... also be used inpetroleum, metallurgy, mining,paper making and water treatment. It main be used as assistant of washing ... Also it is can be usedas the industrial water softener, tanning agent, dyeing assistant, the dispersant of bore mudand the ...