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#1 PAO-POLYALPHAOLEFINS (Synthetic Hydrocarbons)
Life Expectancy:
6,000 - 8,000 Hours
Examples:
Gardner Denver Aeon 9000-SP
Mobil Rarus 924
Atlas Copco GA-4K
CompLube 2010
Pros:
Compatible with all plastics, paints and seals
Very good oil/water separation
Two to three times the life expectancy of petroleum oils
Cons:
High probability of varnish formation
Breaks down faster than other synthetics
Incompatible with polyglycols
Recommended Usage:
Units running under 195º in a clean environment
#2 DIESTER
Life Expectanvy:
8,000 Hours
Examples:
Gardner Denver Aeon 8000
Ingersoll Rand SSR Coolant
CompLube 2040
Pros:
Very resistant to heat and stress
Low probability of forming varnish
Highly detergent (self-cleaning)
Good oil/water separation
Cons:
Incompatible with low grade plastics and rubber
Recommended Usage:
Units running 195º or above in a clean or dirty environment
#3 COOLANTS (Polyglycol/Ester Mixes)
Life Expectancy:
8,000 - 10,000 Hours
Pros:
Highly resistant to heat and stress
Does not form varnish
Lowers operating temperature of unit
Cons:
Incompatible with all mineral oil and PAO’s
Poor oil/water separation
Expensive
Recommended Usage:
Units consistently running over 205º in a clean environment
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