Description
R404A is a colorless gas under ordinary temperatures, and a colorless & transparent liquid under the pressure of itself, mixed by HFC-125, HFC-134a and HFC-134a. And it is a long-term substitute for R502, mainly used in refrigeranting systems of low & moderate temperature.
Chemical formula: R134a/R125/R32
Melting point (°C): -46.1
Critical temperature (°C): 72.4
Critical pressure (MPa): 3.69
Saturated liquid density (g/cm3): 1.045(25°C)
ODP: 0
GWP: 0.35(HGWP)
Quality Index
Index Best quality First-class
Appearance Colorless, clearnness
Odor No strange stench
Purity %≥ 99.8 99.5
Moisture %≤ 0.001 0.002
Acidity (as HCl) % ≤ 0.00001 0.0001
Evaporation residue % ≤ 0.01 0.01
Chlorides (Cl-)test % ≤ 0.0003
No condensable gas cubic fraction % ≤ 1.5
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