... such as Ca 2+, Mg 2+, can soften hard water, change suspension into solution, slightly alkaline, without causticity ... main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent ... grade Main content, %; 94.0 P2O5%≥ 57.0 Water insoluble %; 0.1 Iron, as Fe %; 0. ... weight 25kg, 50kg or 1000kg; Keep away from water or moisture, do not pile up in the ...