Refrigerant R-404a is a kind of refrigerant of surrounds-protection model, used in replacing R22 R502.It has a good nature of cleaning, low poison , non-combustion, good-refrigeration and so on, and greatly used in air- conditioner

Formula CHF2 CF3/CH3CF3/CF3CH2F

Boiling Point ( oC) -46.1

Vapor pressure(25oC),Mpa, abs 1.26

Liquid density(25oC),kg/L 1.045

ODP 0

Odor Slight ether

Critical Pressure Mpa 4.619

Color Colorless, transparent

Nature Liquefied gas, stable

HFC-125, %(W/W) 44±2

HFC-143a %(W/W) 52±2

HFC-134a, %(W/W) 4±1

Purity % 99.5

Water, ppm ≤ 10

Acidity, ppm ≤ 1

Residue mg/kg ≤ 100

Non-congealing gas-phase, % (v/v), ≤ 1.5