... CITY YIQUAN WATER TRREATMENT MATERIALS CO.,LTD PAC1. Brief introduction:PAC is a water-soluble inorganic polymer flocculant. It ls ... with an appearance of brown, or yellow, or white powder.2. Application: PAC is mainly used as the flocculating agent for the ... quality,alum flower formed is quick and big, easily settled.PAC features fast flocculating rate, small corrsiveness and low labour intensity ...