supply STPP(tech)

TPP94% Technical grade It is mainly used in china,scour, petroleum,metallurgy, mining,wartertreatment,printting and dyeing indstry and so on. Na5P3O4 94%MIN P2O5 57%MIN water insoluble 0.1%max qrtho-phosphate 0.5%max pyro-phosphate 2%max metha-phosphate 1%max PHvalue 9.2-10.0 Fe 100ppm max As 600ppm max Heavey metal 20ppm max Copper cu 0.8 ppm max packing: In 25kg PP woven bags line with PE film bag inside