A few degrees below zero plus negative No.10 diesel.

Best answer: 4 C to -5 C. Negative No.10 diesel oil can resist-10 C, but it will leave some allowance when used. Generally, -10# diesel oil is suitable for use when the temperature is between 4 C and -5 C.. The smaller the value of diesel oil is, the stronger its anti-condensation ability is, and the more it can adapt to lower temperature. Therefore, when filling diesel oil, it should be selected according to the use environment. Secondly, the performance of diesel oil between different grades is the same, so there is no problem even if it is mixed.

4℃ to -5℃. Negative No.10 diesel oil can resist-10℃, but it will leave some allowance when used. Generally, -10# diesel oil is suitable for use when the temperature is between 4℃ and -5℃. The smaller the value of diesel oil is, the stronger its anti-condensation ability is, and the more it can adapt to lower temperature. Therefore, when filling diesel oil, it should be selected according to the use environment. Secondly, the performance of diesel oil between different grades is the same, so there is no problem even if it is mixed.

Diesel oil is a mixture of light petroleum products and complex hydrocarbons (about 10~22 carbon atoms). Fuel for diesel engine. It is mainly prepared from diesel oil fractions produced by crude oil distillation, catalytic cracking, thermal cracking, hydrocracking, petroleum coking and other processes. It can also be prepared by shale oil processing and coal liquefaction. It can be divided into light diesel oil (boiling point range is about 180~370℃) and heavy diesel oil (boiling point range is about 350~410℃). Widely used in large vehicles, railway locomotives and ships. The most important use of diesel oil is diesel engine for vehicles and ships. Compared with gasoline, diesel has higher energy density and lower fuel consumption rate. Diesel fuel has low energy consumption, so some small cars and even high-performance cars also switch to diesel fuel.

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