TrusTec® Toluene Standard Fuel 99.8 is a primary reference fuel with minimum 73.7% toluene, 15.7% n-heptane, and 9.7% isooctane.
TrusTec® Toluene Standard Fuel 99.8 is a primary reference fuel that meets the requirements outlined in ASTM D-2699 and ASTM D-2700 to determine octane rating. TrusTec® Toluene Standard Fuel 99.8 is a blend of minimum 73.7% toluene, 15.7% n-heptane, and 9.7% isooctane, and is intended to be used in the calibration of knock engines.
Composition, vol %
n-Heptane : 15.7 – 16.3
Toluene : 73.7 – 74.3
Isooctane : 9.7 – 10.3
Specific Gravity at 60/60 °F : 0.8227 – 0.8247
Research Octane Number
Fuel Testing
Gasoline Octane Analysis
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