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At present, the quality of urea solution for vehicles on the domestic market is not uniform.
Not only that, there are 18 indicators for measuring the pass or fail of the urea solution for vehicles, and the inferior products fail even the most basic urea content. The technical requirements of other indicators are more rigorous, and the quality of inferior products can be imagined.
Let us look at how the 18 indicators of qualified products should be. The following is a report on the test of urea solution for vehicles issued by the international authority SGS.
Suppose that the same truck runs the same mileage and consumes 20 kg of qualified urea solution. If the same truck uses 18% inferior urea, it will need to consume more. Why? Because the effective urea decomposition and transformation in urea solution are needed for the ammonia (NH3) after tail gas treatment, the workload of SCR system increases due to the insufficient urea concentration during vehicle driving, so it is necessary to double the extraction of urea solution and atomization treatment to ensure sufficient ammonia generation in order to meet the emission requirements for the treatment of tail gas, which leads to overload and loss of SCR system. Increased use of poor quality urea solution for a long time, the heavy metal impurities in it can easily block nozzles and pipelines, and also cause catalytic drum poisoning failure, which will inevitably lead to SCR system parts damage, or even system scrap. Once the trigger system alarms, the vehicle torque decreases, the power will also drop, the car can not run, directly affecting the continuation of transport business. A barrel of 20 kg of inferior urea is only a few dollars cheaper, but compared with double usage, the direct expenses have doubled. Considering the late damage, maintenance and replacement costs of SCR system, it is impossible to save money at all.
Located in Guangzhou Zengcheng Economic and Technological Development Zone, Guangzhou EverBlue Chemical Co., Ltd. started to get involved in the China's automotive urea solution industry as early as 2009, EverBlue took the initiative to submit quarterly inspection to SGS to meet the quality standards, dared to promise free maintenance of vehicle SCR malfunction caused by urine quality and set up the first independent SCR maintenance center in the whole industry.