TrusTec® Toluene Standard Fuel 99.8 is a primary reference fuel with minimum 73.7% toluene to meet ASTM D-2699 and ASTM D-2700 requirements for octane analysis.
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. The reference fuel 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
Meets ASTM D-2699 and ASTM D-2700 specifications
Composed of 73.7% toluene
Petroleum refineries and laboratories need reliable reference fluids to calibrate their test engines to prevent inaccurately measuring the octane rating of gasoline.
Oil refining
Laboratory testing
Gasoline octane analysis
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