Mobility

Cetane number improvers

Cetane number improvers are used to adjust diesel ignition quality. The appropriate treatment depends on the base fuel, the finished-fuel target and the response demonstrated in testing of the proposed blend.

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Application and function

Cetane quality is relevant to diesel ignition behavior. Additive treatment can be considered when a blend requires adjustment, with the response measured in the fuel for which a recommendation is being made.

Ignition quality, cleanliness, lubricity and cold-flow behavior are separate evaluation criteria. A cetane result alone does not establish changes in vehicle emissions, fuel consumption or engine operation.

Information for selection

  • Current ignition-quality results and intended target
  • Diesel blend components and other additives
  • Refinery or terminal blending arrangements
  • Storage conditions and available dosing equipment

Evaluate the response

Compare representative untreated and treated samples using an agreed ignition-quality test method. Select the treatment recommendation from the observed response, then verify consistent blending and finished-fuel quality.

Starting behavior, smoke and emissions should be assessed with evidence relevant to the engine and operating conditions when these are part of the evaluation objective.

Discuss product selection

Share the application, operating conditions and requirements that matter to your evaluation. Product-specific properties, use guidance and handling information are provided in the relevant product data sheet and safety data sheet.

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