... also be used in petroleum, metallurgy, mining, papermaking, water treatment and so on. Mainly used as a synthetic ... the PH value of the buffer liquid soap. Industrial water soft water. Tanning agent. Dyeing auxiliary,Paint, kaolin, magnesium ... 15Fe,%0.0070.0150.030PH value of 1% water solution9.2-10.0WHITE CONTENT%908070Packing:In 25kg or ... Can be palletized. Sodium Tripolyphosphate (STPP) in chemicals