TrusTec® Toluene Standard Fuel 96.9 is a primary reference fuel with 74.3% toluene, 21.3% n-heptane, and 5.3% isooctane for calibrating engines during octane analysis.
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. The reference fluid 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: 0.823–0.825
Fulfills ASTM D-2699 and D-2700 specifications
Fluid with 74.3% toluene
Refineries and laboratories measuring octane rating require reliable reference fuels to calibrate test engines.
Oil refining
Laboratory testing
Gasoline octane analysis
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