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TrusTec® PRF Octane Blend No. 88 is a primary reference fuel with 88% isooctane and 12% n-heptane used to measure octane rating.
Specific gravity at 60/60 °F: 0.6940–0.6960
Composition, vol %:
Isooctane: 87.70–88.30
n-Heptane: 11.70–12.30
Conor Robertson, Technical Specialist
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TrusTec® PRF Octane Blend No. 88 primary reference fuel is composed of 88% isooctane and 12% n-heptane. The reference fuel meets the requirements of ASTM D-2699 and ASTM D-270 for gasoline octane testing.
Gasoline refiners and laboratories need reliable reference fuels for measuring octane values.
Oil refining
Gasoline octane analysis
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