Introduction: | 
					 Item  | 
				
					 Index  | 
			
| 
					 Model  | 
				
					 T04  | 
			
| 
					 Appearance  | 
				
					 White powder  | 
			
| 
					 Surface properties  | 
				
					 hydrophilicity  | 
			
| 
					 PHvalue  | 
				
					 6-8  | 
			
| 
					 Crystal  | 
				
					 Anatase  | 
			
| 
					 Average primary particle size,nm  | 
				
					 15-25  | 
			
| 
					 Specific surface area,m2/g  | 
				
					 100-250  | 
			
| 
					 Content before treatment,% >  | 
				
					 99.9  | 
			
| 
					 Surface treatment agent  | 
				
					 NanoSiO2 and others  | 
			
| 
					 Loss on dry, (%)  | 
				
					 ≤0.5  | 
			
| 
					 Loss on ignition,(%)  | 
				
					 ≤1.0  | 
			
| 
					 As ppm  | 
				
					 ≤1  | 
			
| 
					 Pb ppm  | 
				
					 ≤10  | 
			
| 
					 Staphylococcus(ATCC)  | 
				
					 Escherichia coli(ATCC)  | 
			
| 
					 Irradiation time(min) 2 4 8 16  | 
				
					 2 4 8 16  | 
			
| 
					 Nano titanium dioxide tile 80.6%85.3% 90.8% 95.6%  | 
				
					 81.2% 90.6% 95.2% 95.8%  | 
			
| 
					 Common ceramic tile 10.5%19.7% 25.2% 35.4%  | 
				
					 5.3% 18.9% 20.1% 21.2%  |