Diesel exhaust fluid (DEF) or trade name AdBlue® is a high purity aqueous urea solution. It is injected into the exhaust stream of diesel engine vehicles, of which called Selective Catalytic Reduction (SCR) systems, to reduce NOx emissions.
Thai Engineering Gas offer a high purity solution of DEF as quality standard ISO 22241 for the most confident in protection diesel engines from contamination. The products contain in certain materials packaging that permitted for storage and handling to avoid corrosion.