Refrigerant R1234YF Possible Dangers

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The refrigerant is combustible in a specified mixture ratio with the surrounding air. Refer to REFRIGERANT R1234YF PHYSICAL AND CHEMICAL CHARACTERISTICS and REFRIGERANT R1234YF COMBUSTIBILITY/DECOMPOSITION .
Quick Evaporation Of The Fluid Can Cause Frostbite.
High Vapor Concentrations Can Cause Headaches, Dizziness, Drowsiness, Sleepiness And Nausea And Can Even Lead To Loss Of Consciousness.