UREA - DEF® Grade, For Manufacturing Of Adblue® - ISO 22241 - Automotive Use
It is the only type of Urea that meets the ISO 22241 specification (Uncoated, Aldehyde, heavy metals free) and the only suitable Urea for the production of AdBlue®/AUS32/ARLA32 solutions. For meeting the ISO 22241 the Urea needs to be of highest purity/quality. Urea Assay (wt %) 98.0 min 99.1 Granulate size 0.85-2.80mm 91% Moisture (wt %) 0.5 max 0.3 Nitrogen(wt %) 46 46.4 Biuret (wt %) 1.0 max 0.65 Aldehydes (ppm) 5 max 4 Free Ammonium (wt %) 0.01 0.01 Insolubles (ppm) 20 13 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 0.3 Additive NONE NONE