1. Diatomite used for swimming pool filtration 2. Abundant pore structure 3 ... aid, 75%-80% is diatomaceous filter aid chemical. Its characteristic is to liquid pollution free, ... , Grinding, Ceramics, Glass, Steel, Decorative Material, Detergent, pool filtration; Carrier Material for Catalyst, Pesticide, Fertilizer; Used to ... to health by prolonged exposure Swimming pool filtration active diatomaceous