1. Pictures of urea 46 automobile grade to make DEF
2. Description of urea 46 automobile grade to make DEF
DEF urea is used to reduce diesel exhaust pollution in liquid nitrogen oxides, nitrogen oxides into harmless nitrogen and water, reducing toxic exhaust gas emissions and reduce pollution.
This product is applicable to all countries IV, V, EuropeIV, EuropeV emission standards for various types of commercial vehicles, automobiles, construction machinery and other large diesel engine SCR systems.
What is SCR?----SCR (Selective Catalytic Reduction) transforms the harmful nitrogen oxides (NOx) in the exhaust of diesel vehicles into harmless nitrogen gas and water vapour. The SCR solution is metered into the exhaust system in front of a catalyst. The urea hydrolyses to ammonia which then reacts with the NOx in the exhaust gas.
What is AdBlue?----AdBlue is aqueous urea solution used in SCR systems on diesel vehicles. SCR Urea complies with ISO 22241 and DIN 70070 standards
why our urea can be making adblue?----The raw material of our urea is pure natural gas, so that the urea is with low Biuret, low Aldehydes and low heavy metal materials; We have the most advanced production equipment and testing equipment.
Specification
Item | standard | test result |
Urea Assay (wt %) | 98.0 min | 99.1 |
Granulate size | 0.85-2.80mm | 94% |
Moisture (wt %) | 0.5 max | 0.34 |
Nitrogen(wt %) | 46 | 46.4 |
Biuret (wt %) | 1.0 max | 0.78 |
Aldehydes (ppm) | 5 max | 3 |
Free Ammonium (wt %) | 0.01 | 0.01 |
Insolubles (ppm) | 20 | 17 |
Fe (mg/kg) | 0.5 max | Less than 0.2 |
Al (mg/kg) | 0.5max | Less than 0.2 |
Cu (mg/kg) | 0.5 max | Less than 0.2 |
Zn (mg/kg) | 0.5 max | Less than 0.2 |
Cr (mg/kg) | 0.5 max | Less than 0.2 |
Ni (mg/kg) | 0.5 max | Less than 0.2 |
Mg (mg/kg) | 0.5 max | Less than 0.2 |
Na (mg/kg) | 0.5max | Less than 0.2 |
K (mg/kg) | 0.5 max | Less than 0.2 |
Ash (ppm) | 100 max. | Less than 10 |
Phosphate(ppm) | 0.5 max | Less than 0.2 |
Heavy Metal( ppm) | 0.5 | 0.4 |
Additive | NONE | NONE |
pH (10 wt% solution) | 9.0 ~ 10.0 | 9.48 |
Packing----In plastic woven bag (inside polyethylene film bag) or composite plastic weaving equipment.The net weight of each bag is 50 ± 0.2kg.Urea packing piece
Storage----Keep container tightly closed. Keep container in a cool, well-ventilated area. Do not store above 23°C (73.4°F).
3. Production Line of urea 46 automobile grade to make DEF
4. Application of DEF
5. Packing of urea 46 automobile grade to make DEF
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