协助客户判断制冷设备故障及维修工程师推荐;
协助客户辨别制冷剂、冷冻机油真伪;
制冷行业动态的交流与分享;
Product R-407A ASHRAE Number R-407A Application LT, MT Lubricant POE Molecular Weight 90 Boiling Point @ 1 atm -50 Critical Pressure, psia 659 Critical Temp, F 181 Liquid Density @ 70F, lb/cu ft 72.8 Ozone Depletion Potential (CFC-11 = 1.0) 0 Global Warming Potential (CO2= 1.0) 2110 ASHRAE Safety Classification A1 Temperature Glide . ~8
霍尼韦尔 Honeywell 科慕chemours 杜邦d-u-pont 致冷剂 高温低温制冷剂 巨化冷媒 制冷剂r22