Is Automotive Urea Solution Harmful to the Human Body?
1 Answers
Automotive urea solution is basically harmless to the human body. The following is a related introduction to automotive urea solution: 1. Working principle: In order for trucks to meet the National IV emission standards, the SCR system (Selective Catalytic Reduction technology) must be used in exhaust gas treatment. This system requires the use of urea solution to treat nitrogen oxides in the exhaust gas, making urea an essential product. 2. Raw materials: Urea refers to a urea aqueous solution with a urea concentration of 32.5% and a solvent of ultra-pure water. The raw materials are special urea for automotive use and ultra-pure water. The urea is mainly obtained from the purification of industrial urea, and automotive urea must use ultra-pure water of electronic grade.