cessation of all life (metabolic) processes. Death may involve the organism as a whole (somatic death) or may be confined to cells and tissues within the organism. Causes of death in human beings include injury, acute or chronic disease, and neoplasia (cancer).
R409A is a blend of HCFC refrigerants introduced to retrofit R12 in air conditioning and refrigeration applications.CFCâs are commonly accepted as having an overall detrimental effect on the environment through both their ozone depletion potential and global warming potential and consequently are being phased out completely.
R134a is the most widely accepted alternative automotive refrigerant used to replace R12. There are other refrigerants: some of which may work, some of which donât work, some of which will destroy your a/c system and some of which are dangerous.esides R134a there are some other refrigerants that are âapprovedâ to replace R12 and there is a long list of refrigerants that are ânot approvedâ. The approval is very legal one, governed by the U.S. EPA. Failure to abide by the EPA regulations can result in expensive fines for either you or your service technician.