One of the most common refrigerants used in laboratory air conditioning and refrigeration is being phased out under European legislation.* The clamp-down covers so-called HCFC compounds, which are harmful to the ozone layer when released to the environment.rnOne of the most important refrigerants affected is R22, used widely in laboratories and cleanrooms across the UK and Europe. The regulation also affects HCFC-containing refrigerant blends such as R401A, R402A, R403B, R408A and R409A.
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