Fuel and Lubricant Testing

alcor

phoenix 2

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ISO 5165 - Cetane Number Engine

We perform diesel quality testing by ISO 5165 to determine the cetane rating of diesel fuel oil using a specialized cetane engine. The cetane number provides a measure of the ignition characteristics of diesel fuel oil in compression ignition engines. This test method is used by engine manufacturers, petroleum refiners and marketers, and in commerce as a primary specification measurement related to matching appropriate fuels with engines. Cetane number requirements depend on engine design, size, nature of speed and load variations, and on starting and atmospheric conditions. Cetane Number by ISO 5165 uses a standard single cylinder, four-stroke cycle, variable compression ratio, indirect injected diesel engine known as a cetane engine.

We also perform cetane testing by ASTM D4737ASTM D613ASTM D976, and IP 41. These different test methods use different instruments or procedures or are used for certain sample types. Click on the test method number to learn more about each test.

ISO 5165 corresponds to ASTM D613 and IP 41.

You can learn more about this test standard, or purchase a copy, by going to the website for ISO - the International Organization for Standardization.