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What is the diesel standard?

1 Answers
OJaxon
09/03/25 6:44am
Currently, the diesel quality standard in the market mainly adopts the national standard GB19147-2016. The following is an introduction to the relevant content: Specifications: Light diesel can be divided into seven grades according to the freezing point: 10#, 5#, 0#, -10#, -20#, -35#, and -50#. Diesel: Diesel is refined from petroleum in the temperature range of 260-350°C and is mainly composed of carbon, hydrogen, and a small amount of oxygen. Diesel is divided into heavy diesel and light diesel based on the fraction's weight. Heavy diesel is suitable for medium and low-speed diesel engines below 1000r/min, while light diesel is suitable for high-speed engines above 1000r/min. The most fundamental difference lies in the sulfur content: the sulfur content of light diesel is no more than 0.2%, and that of heavy diesel is no more than 0.035%.
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