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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> General, Technical Data (Refrigerant R1234YF Servicing) >> 00 General, Technical Data >> Technical And Physical Principles >> Product Characteristics

Product Characteristics

The refrigerant R1234yf used in motor vehicle air conditioning systems belong to the new generation of refrigerants based on chlorine-free, partially fluorinated hydrocarbons.

With regard to their physical properties, these are refrigerants which have been liquefied under pressure. They are subject to pressure vessel regulations and use is only to be made of approved and appropriately marked compressed-gas vessels.

Compliance with specific conditions is required to ensure safe and proper use. Refer to SAFETY PRECAUTIONS .