... AL2O3: 30%MIN 2. Appearance: Yellow powderPolyaluminium Chloride, PAC(the brief name gather aluminum, alkali type chlorination aluminum, flocculant, ... aluminum salts, iron salts, erode a function to the equipments small. 7, the valid composition is high, easy to storage, conveyance ... . Ivory basicity is 40-90; The rice yellow basicity is 50-90, while using the hurl add quantity also opposite smaller. ...