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Thermal Stability

Definition:

Thermal Stability is a measure of a fuel's tendency to produce asphaltenes when exposed to high temperatures. Asphaltenes are tar-like, resinous substances often responsible for plugging fuel filters. Fuel with a Thermal Stability of 80% or greater should not cause filter plugging. Fuels between 60% and 80% could have a marginal affect and values less than 60% will significantly reduce filter life.

Standard Test Method Used:

mod. ASTM D6468

Reporting Measurement:

%

Amount of Sample Needed:

120 mL

Test Limitation:


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