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TrusTec® PRF Octane Blend No. 82 is a primary reference fuel with 82% isooctane and 28% n-heptane used in determining octane rating.
TrusTec® PRF Octane Blend 82 is a primary reference fuel used to determine octane rating, and meets the requirements outlined in ASTM D-2699 and ASTM D-2700.
Specific Gravity at 60/60 °F : 0.6940 – 0.6960
Composition, vol %
Isooctane : 81.70 – 82.30
n -Heptane : 17.70 – 18.30
Primary Chemistry: Primary Reference Fuel
Irregular Octane Levels in Standard Fuel
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