... This product can be used in drying tower of chemical factory, fertilizer factory and sulfuric acid factory, liner of ... 20-30Narrow tile230×65×65Half narrow tile113×65×65 Main chemical composition of tile and plate (%): SiO269.8Al2O322.5K2O2.7Na2O0. ... ball,moleculer sieve,ceramic filter,alumina ceramic,functional ceramics,chemical industry equipment and accessory,catalyst series,packing support device ...