[发明专利]机车防冻液

权利要求书

1.一种机车防冻液，其特征在于其组分及其质量百分比如下：

乙二醇                                  28.4—57%

      苯甲酸钠                            0.15—0.6%

      锡酸钠                               0.15—0.22%

      十二烷基二甲基苄基氯化铵      0.2%

      皮脂酸                               0.8—1.6%

      十一碳二元酸                      0.3—0.7%

      EDTA                               2.0—3.0%

      水杨酸钠                           0.1—0.25%

      疏基苯并三氮唑                   0.5—3%

      双咪唑啉                         0.005—0.01%

      氢氧化钠                            0.3—0.8%

      消泡剂                            0.0002—0.0008%

      有机颜料              0.005%

      去离子水                              余量。