AdBlue , DEF( Chinese name: Urea solution for vehicles Other name: diesel engine exhaust treatment fluid )
Urea for vehicle is an essential additive in SCR program.
Urea for vehicle is the essential product for heavy diesel vehicles to meet the national Ⅳ emission standard. It is divided into 32.5% high-purity urea and 67.5% deionized water. Through the reduction of catalyst, the nitrogen oxides (NOx) in automobile exhaust are reduced to nitrogen and water, in order to reduce air pollution.
Urea for vehicle use refers to urea aqueous solution with urea concentration of 32.5% and the solvent is ultra-pure water. The raw material is special raw material for vehicle urea and ultra-pure water. If diesel vehicles such as heavy trucks and buses want to meet National IV emission standards, suitable SCR system should be selected for exhaust treatment, and this system must use urea solution to treat nitrogen oxides in exhaust. Therefore, vehicle urea solution has become a necessary product for heavy trucks and buses to meet National IV emission standards. SCR is the optimal choice to reduce emission in our country. SCR can withstand 350ppm of sulfur containing oil, so there is a technical basis for promotion.
