This product poly aluminum chloride (PAC) is a kind of inorganic, a new water purification material, inorganic polymer coagulant, referred to as poly aluminum, has solid and liquid two forms. Poly aluminum chloride has the properties of adsorption, condensation and precipitation. Among them, white poly aluminum chloride is a spray polyaluminum chloride with high purity and high performance. White high purity poly aluminium chloride solid is white to light yellow powder or granule. It conforms to Chinese GB15892-2020, and the technical indicators are as follows: Poly aluminium chloride Item Technical index AL2O3 % â?¥29.0 Basicity % 45.0-90.0 pH value (10g / L solution) 3.5-5.0 Water insoluble matter % â?¤0.1 Fe % â?¤0.2 As % â?¤0.0001 Pb % â?¤0.0005 Cd % â?¤0.0001 Hg % â?¤0.00001 Cr % â?¤0.0005