TrusTec® PRF Octane Blend No. 80 is a primary reference fuel with 80% isooctane and 20% n-heptane used to determine octane rating.
Isooctane: 79.9-80.1
n-Heptane: 19.7-20.3
Research octane number: 79.7-80.3
Specific gravity 60/60: 0.6940-0.6960
Conor Robertson, Technical Specialist
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TrusTec® PRF Octane Blend 80 is a primary reference fuel with 80% isooctane and 20% n-heptane that meets the requirements outlined in ASTM D-2699 and ASTM D-2700. The reference fuel is intended for use in knock engine testing to measure the octane rating of fuel.
Refineries and laboratories conducting octane analysis on gasoline require reliable reference fuels for their test engines.
Gasoline octane analysis
Oil refining
Laboratory testing
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