TrusTec® Toluene Standard Fuel 93.4 is a primary reference fuel with 74.3% toluene and 26.3% n-heptane that meets ASTM D-2699 and ASTM D-2700 requirements.
TrusTec® Toluene Standard Fuel 93.4 is a primary reference fuel that meets the requirements outlined in ASTM D-2699 and ASTM D-2700 for determining octane rating. The reference fluid is made of 74.3% toluene and 26.3% n-heptane, and is intended for use in knock engine calibration.
n-Heptane: 25.7-26.3
Specific gravity 60/60: 0.822-0.824
Toluene: 73.7-74.3
Oil refineries and laboratories measuring octane in gasoline depend on quality-grade reference fuels to calibrate test engines.
Gasoline octane analysis
Oil refining
Laboratory testing
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