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R507A
Purity: ≥99.9%Water: ≤10ppmAcidity: ≤0.1ppmVapor Residue: ≤100ppm
R507A Refrigerant gas, alias R-507A. In line with the standards of the US environmental organizations EPA, SNAP and UL, in line with the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) A1 safety grade category (this is the highest level, no harm to human body).