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TrusTec® PRF Octane Blend No. 94 is a primary reference fuel with 94% isooctane and 6% n-heptane used in determining octane rating.
TrusTec® PRF Octane Blend No. 94 primary reference fuel meets the requirements outlined in ASTM D-2699 and ASTM D-2700 to test octane rating. TrusTec® PRF Octane Blend No. 94 is composed of 94% isooctane and 6% n-heptane.
Specific Gravity at 60/60 °F : 0.6950 – 0.6970
Composition, vol %
Isooctane : 93.70 – 94.30
n -Heptane : 5.70 – 6.30
Abnormal or Inconsistent Octane Value in Reference Standard Fuel
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