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The "story" of R-507 is one of environmental impact. It was developed to replace ozone-depleting substances like R-502. However, due to its high Global Warming Potential (GWP) of nearly 4,000, it is currently being phased out globally. Дод (507) mp4
The number most prominently appears in industrial contexts as R-507 (or HFC-507) , a refrigerant gas blend used in large-scale cooling systems. The phrase appears to be a corrupted text