Composition: R454B is a blend of 68.9% R32 and 31.1% R1234yf.

GWP: 466, significantly lower than the GWP of R410A (2,088).

Boiling Point: -50.9�C (at 1 atm).

Critical Temperature: 77.0�C.

Ozone Depletion Potential: 0.

ASHRAE Classification: A2L (Mildly Flammable, Low Toxicity).

Density: 0.98 g/cm3 at 25�C.

Vapor Pressure: 15,856 hPa at 25�C.

Flammability: Flammable, with a lower explosive limit (LEL) of 11.3% and an upper explosive
limit (UEL) of 23.6%.

Auto-Ignition Temperature: 496�C.

Saturated Liquid Density at 25�C: 984.6 kg/m�.

Saturated Vapor Density at 1.013bar: 3.565 kg/m�.

Saturated Liquid Pressure at 25�C: 15.708 bar.