Helpful guidelines

Is AC compressor oil toxic?

Is AC compressor oil toxic?

Ingestion Ingestion of large quantities may cause nausea and diarrhoea. No known significant effects or critical hazards. No known significant effects or critical hazards.

Is PAG oil hazardous?

Symptoms/injuries after ingestion : May be harmful if swallowed. May cause stomach distress, nausea or vomiting. Symptoms may not appear immediately. In case of accident or if you feel unwell, seek medical advice immediately (show the label or SDS where possible).

Is AC compressor oil corrosive?

Unfortunately PAG is hygroscopic, meaning it attracts and retains moisture from within the A/C system or atmosphere. When PAG oil and moisture mix, they react, creating an acid that can corrode and damage system related components.

What fluid goes in an AC compressor?

Automotive air conditioning compressors require specific types of lubricants. Most 1996 and newer A/C systems use R134a refrigerant and require some type of PAG (polyalkylene glycol) oil for the compressor. If the wrong type of compressor oil or the wrong viscosity compressor oil is used, it may damage the compressor.

Is refrigerant oil flammable?

Although failing to recover refrigerant breaches environmental regulations, SafeWork also warns that attempting to break into a system before all residual refrigerant has been removed can cause a sudden release of refrigerant and oil mist, which will be flammable.

Is compressor oil combustible?

Since compressor oil is very flammable, it can cause a life-threatening explosion when it is exposed to air under extreme pressure. Always inspect your Air Compressor equipment for any leaks, but especially for oil ones.

Why should you always use mineral oil instead of PAG oil?

Mineral oil is natural oil and is not hygroscopic, making it different to PAG. In automobile A/C systems, mineral oil is used in those systems that utilise R-12 refrigerant and is also used to lubricate O-rings and seals on both R-12 and R134a systems.

What is the difference between PAG oil and POE oil?

​​Polyalkylene​ Glycol (PAG) – a synthetic oil primarily used in R-134a automotive air conditioning systems. It is more hygroscopic that either POE or PVE oils, but it does not undergo hydrolysis in the presence of water. Polyvinyl Ether (PVE) – a synthetic oil that is being used as an alternative to POE oil.

Which refrigerant is most flammable?

R22 and R410A are considered to have low flammability levels and are listed as A1. A and B are the toxicity levels of the refrigerant; “A” being lower than “B”, while 1,2 and 3 are the flammability ratings, with 1 being the lowest and 3 being the highest.

Is refrigerant toxic?

The risks associated with the use of refrigerants in refrigeration and air-conditioning equipment can include toxicity, flammability, asphyxiation, and physical hazards.