The present invention is excellent in heat resistance and chemical resistance , and also have less resin coloring silver inorganic antibacterial agent excellent processability to provide a . By limiting the production conditions by a wet synthesis , is represented by the following formula [1], taking note that the problem can be solved by the ion -containing zirconium phosphate , the present invention .AgaMbZrc(PO4)3nH2O According to [1]formula [1] , M is an alkali metal ion, an ion of at least one member selected from a hydrogen ion and ammonium ion , a, and b and c are positive numbers , 1.5
