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What is Diesel Exhaust Fluid (DEF)?

DEF is a clear, non-toxic, non-flammable, and nonhazardous organic compound consisting of 32.5% urea
and 67.5% de-ionized water that requires no special handling.

Urea 

De-ionized water 

 
Non-toxic 
Non-flammable 
Non-hazardous 
Organic 
 
 

Why use Diesel Exhaust Fluid (DEF)?

To achieve the nitrogen oxide (NOX) levels required by the EPA 2010 standard, most engine manufacturers are utilizing Selective Catalytic Reduction (SCR) systems that require the addition of DEF. Off-road engines will be impacted by similar emission standards which began in 2014.

 
For more information, visit http://www.fsdef.ca/

 
 
 
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