First, granular fillers: granular fillers are the earliest fillers, the raw materials of inorganic ceramsite or quartz sand. Second, honeycomb or corrugated filler: This filler is usually made from raw materials such as fiberglass or plastic. 3. Spherical lightweight ceramics: Spherical lightweight ceramics introduced by ceramic corrugated board manufacturers usually use clay as raw material, add appropriate chemical raw materials as expansion agents, and make high-temperature sintered products. IV. Irregular porous packing: The front packing includes Raschig ring, Pall ring, etc.; The packing is Bado ball and multi-faceted lightweight ball, and the manufacturing material includes internal components, ceramic, graphite, plastic and metal. Related Recommended Articles: Ceramic Ball Activated Alumina Ball Ceramic Structured Packing