精制石英砂滤料的理化分析：

　　分析项目                  鉴定数据                  分析项目                  鉴定数据                  分析项目                  鉴定数据

　　SiO2含量                 99.3%                     容重                           1.75t/m3                   盐酸可溶率              0.4%

　　莫氏硬度                  7                               磨损率                       0.3%                         耐酸度                      耐强酸

　　沸点                          2550℃                    破碎率                       0.35%                      耐碱度                      耐碱性能良好

　　溶点                          1750℃                    灰粉率                       0.25%                     Zn含量                       0.005%

　　比重                            2.65                        空隙率                       43%                         其它金属含量           不超过国家饮用水标准