OPM 200 en-GB 74
©
Scania CV AB 2014, Sweden
Reductant for SCR
Properties
Reductant in accordance with ISO 22 241 is a
solution consisting of urea and water containing
32.5% by weight of urea. The solution freezes at
approximately -11°C. Then both ice and water
always have the same concentration. Always
store reductant at a temperature between -11°C
and 30°C.
Reductant is normally colourless if no dye is
added.
Reductant is not harmful to the skin. Nor is it tox-
ic in small quantities, but it tastes very unpleas-
ant.
Reductant is extremely corrosive, especially to
aluminium and copper. Therefore, wash off any
spillages on metal and electrical connections as
soon as possible. Water, preferably warm, works
very well for cleaning purposes.
Reductant can dry out and form white or greyish
brown crystals or deposits. Dense deposits which
are formed as a result of heat may need to be
scraped off or heated to more than 500°C.
Reductant has a low surface tension and rapidly
spreads over large areas, which then become
very slippery. Therefore, wash off any spillages
as soon as possible.
Recommended urea content Urea content limit value
32.5% 30-34%
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