China cheap price high purity low biuret automotive grade def urea
Automotive grade urea is the raw material to produce AdBlue (DEF / AUS 32), which is a kind of liquid for reducing nitrogen oxide pollution in diesel vehicle exhaust.
Our urea has advantages of low biuret and Aldehyde free, you can use it to produce high quality urea solution, final product can fully meet standard of ISO22241.
|
ITEMS
|
UNIT
|
STANDARD
|
ANALYSIS
|
|
Nitrogen
|
%
|
46 min
|
46.5
|
|
Moisture
|
%
|
0.5 max
|
0.37
|
|
Biuret
|
%
|
0.9 max
|
0.82
|
|
Alkalinity (NH3)
|
%
|
0.6 max
|
< 0.6
|
|
Aldehyde
|
mg/kg
|
15 max
|
1.0
|
|
Insoluble matter
|
mg/kg
|
20 max
|
9.9
|
|
Phosphate (PO4)
|
mg/kg
|
1.5 max
|
< 1.0
|
|
Calcium (Ca)
|
mg/kg
|
1.5 max
|
< 1.0
|
|
Iron (Fe)
|
mg/kg
|
1.5 max
|
< 1.0
|
|
Copper (Cu)
|
mg/kg
|
0.6 max
|
< 0.6
|
|
Zinc (Zn)
|
mg/kg
|
0.6 max
|
< 0.6
|
|
Nickel (Ni)
|
mg/kg
|
0.6 max
|
< 0.6
|
|
Chromium (Cr)
|
mg/kg
|
0.6 max
|
< 0.6
|
|
Magnesium (Mg)
|
mg/kg
|
1.5 max
|
< 1.0
|
|
Sodium (Na)
|
mg/kg
|
1.5 max
|
< 1.0
|
|
Potassium (K)
|
mg/kg
|
1.5 max
|
< 1.0
|
|
Aluminum (Al)
|
mg/kg
|
1.5 max
|
< 1.0
|