PAC with purity 26%,28%,30%,31%; CAS NO.:1327-41-9. [Product use] Coming together the aluminum can in addition to germ, deodorization, take off a color, in addition to fluorine, aluminum, chrome, hydroxybenzene , in addition to oil, in addition to muddy, in addition to heavy metals salt, in addition to radioactive contamination material, have extensive use towards purifying various water.Example: ...