Browse Publications Technical Papers 2000-01-2026

ASTM Unwashed Gum and the Propensity of a Fuel to Form Combustion Chamber Deposits 2000-01-2026

An investigative group set up under the auspices of the CEC (Coordinating European Council) collected data on combustion chamber deposits (CCD), ASTM unwashed gum (UWG) results and the thermogravimetric analysis (TGA) of these gums for different fuels from many different sources. The analysis of this data shows that UWG cannot and does not predict CCD. It is not possible to use UWG or any aspect of its behaviour in the TGA to assess the CCD-forming tendency of randomly chosen fuels.


Subscribers can view annotate, and download all of SAE's content. Learn More »


Members save up to 40% off list price.
Login to see discount.
Special Offer: With TechSelect, you decide what SAE Technical Papers you need, when you need them, and how much you want to pay.