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Freons
Other Names: Fluorinated hydrocarbons, fluorocarbons
Formula: Depends on particular Freon
Sp. Gr.: 1.19-1.56
Viscosity: 0.2 to 0.4 cPs.
Remarks: Current use of Freons is limited mostly to refrigeration applications due to concerns of ozone depletion with Freons used as propellants or cleaning agents.
Pump Notes: Cast iron construction is satisfactory. Choice of elastomers depends on the particular Freon used. Mechanical shaft seals or sealless pump designs are recommended.