Aluminium dihydrogen triphosphate is a white microcrystalline powder, slightly soluble in water. It is non-toxic, non-irritating to the skin, and does not contain lead, chromium and other harmful heavy metal elements. Aluminium tripolyphosphate is widely used in various primers and bottom-integrated coatings. It is compatible with varnish and can be used with different pigments and fillers. It can also be combined with various anti-rust pigments to prepare various high-performance anti-corrosion coatings.