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Product Description
Molecule model of iso-octane or 2,2,4-trimethylpentane. Scaling 1 Angstrom : 10, 15 or 20 mm.
An octane rating, or octane number, is a standard measure of the performance of an engine or aviation fuel. The percentage, by volume, of 2,2,4-trimethylpentane (iso-octane) in the mixture is the octane number of the fuel.