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連絡先担当者 Mr. qiu
Jing'er Road, Dalu Industrial Park, Liangzhu Town, Yuhang District,Hangzhou ,China, hangzhou, Zhejiang
Refrigerant R**4a is mainly used to substitute CFC**2 as refrigerant in car conditioning and refrigerating and refrigerating in refrigerator Boiling Point ºC : **7 Critical temperature ºC: **5 Critical Pressure Mpa 4.7 Saturation steam pressure (mpa) , *5 ºC 0.7 Relative density( water=1) 1.*2 Relative vapor density ( air=1) 2.*9 Appearance Colorless, no cloudy Odor Odorless Purity &#***5;% *9.5 Water, ppm &#***4; *0 Acidity, ppm &#***4; 1 Residue mg/kg &#***4; **0 Non-congealing gas-phase, % (v/v), &#***4; 1.5
