Cetane Number: Things You Wanted to Know!

When you are trying to understand the efficiency and performance of the fuel, octane numbers and the cetane numbers are the standard measurements. But it is crucial to understand the difference between the two.


The octane number relates the petrol. The cetane number is related to the quality of the diesel and biodiesel. The definition of the cetane number is the combustion value of the diesel fuel.  The octane numbers indicate the anti-knock or the pre-ignition properties of petrol. The cetane number, on the other hand, measures the delay between the time when the diesel is ignited, and combustion start. Cetane improver manufacturer provide the raw material that is used to refine diesel.


Measuring the Cetane Number


To find out the cetane number, technicians use the test engines and conduct fuel analysis in the laboratory. The process is expensive, complicated, and time-consuming when you try to get accurate results. Cetane ratings are calculated using the fuel density and the boiling and evaporation points. During the test cetane number is tested, then the derived cetane number is estimated, and based on that cetane index is calculated. The experts then make use of a range of methods to understand these factors, including an ignition quality tester and a cetane engine.


Importance of the Cetane Number


Once the cetane number has been calculated, the efficiency of the fuel can be determined. The higher cetane number means that the fuel will burn quickly, thoroughly, and with more power. It is an essential attribute as it will mean that the engine will perform better, will run smoothly and produce less harmful emissions. It also means that the damage to the environment is minimal.


When the fuel combustion and ignition are fast, it results in a quick start of the vehicle. It improves the efficiency of the fuel, which is crucial for improved vehicle manufacturing. If the cetane number is lower, it leads to longer ignition time and leads to the poor performance of the engine. The slower ignition cause significantly damages the vehicle in the long run.


The problem for Environmental Concerns


As the higher cetane number produces fewer emissions, there is an increasing demand for the cetane improver in the fuel. With the rising environmental concerns, new regulations and pressures are placed on the engineers to deliver the engine efficiency to offset the harmful emissions from the traditional diesel engines. It also means that the cetane number is accurate so that the engines can successfully meet the high environmental standards.


How to Boost It?


There are numerous ways to boost cetane in diesel fuel. Most of them involve adding something to the fuel that has a higher cetane rating than the fuel has on its own.  As the cetane rating is an average of the cetane ratings of various diesel components of the fuel, it makes more sense. Thus adding a higher-cetane component increases the fuel’s overall cetane rating.


Understanding the Recommendations


Which cetane rating would be the best for you? While 40 is the minimum rating for diesel fuel sold in the US, 45 is the floor for most diesel engines to function well. Some diesel engines prefer a rating of 50.


If you suspect that your diesel fuel’s cetane rating is not high enough, there are options to boost it. Some of the options are better than the others. The industry standard for the cetane improver is 2-ethyl hexyl nitrate. It is effective at raising diesel cetane rating and will not cause problems in the engine or harm the engine materials.




Want to increase the diesel cetane rating? Cetane improver manufacturer provides high cetane material to add to the diesel.