LM-1冷媒浓度、密度、冰点对照表（2012218）质量浓度%体积浓度%密 度g/cm3冰 点10120.985-5.015180.978-10.520240.971-15.325300.963-20.030360.954-25.535410.946-31.540470.937-38.545520.929-46.050570.920-53.055620.906-60.060670.892-66.565720.881-73.070770.870-80.075810.858-88.080850.846-110.0