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制冷剂 R290
R290性状用途:丙烷常温下为无色、无臭气体。***、***。高纯级R290用作感温工质;优级和一级R290可用作制冷剂替代HCFC-22。***性能:分子量44.9沸点,℃-42.2密度(25℃),液体,g/cm0.58蒸气压(25℃),Mpa0.475临界温度,℃96.67临界压力,Mpa4.24临界密度,g/cm30.220沸点下蒸发潜能,KJ/Kg410.5比热(液体25℃),KJ/Kg·℃1.64***极限,vol%2.1-9.5***臭氧潜能值(ODP)0***变暖系数值(GWP)0.01)