TrusTec® Toluene Standard Fuel 96.9 is a primary reference fuel with 74.3% toluene, 21.3% n-heptane, and maximum 5.3% isooctane.
TrusTec® Toluene Standard Fuel 96.9 is a primary reference fuel that meets the requirements outlined in ASTM D-2699 and ASTM D-2700 for fuel analysis. TrusTec® Toluene Standard Fuel 96.9 is a blend of 74.3% toluene, 21.3% n-heptane, and 5.3% isooctane, and is intended to be used to calibrate knock engines to determine octane rating.
Composition, vol %
n-Heptane : 20.7 – 21.3
Toluene : 73.7 – 74.3
Isooctane : 4.7 – 5.3
Specific Gravity at 60/60 °F
Research Octane Number
Fuel Testing
Gasoline Octane Analysis
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