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Day: July 17, 2021

10 Myths And Facts About Diesel Exhaust Fluid

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Diesel exhaust fluidĀ is a black liquid typically produced by a diesel engine to decrease the engine's poisonous air pollutants. In particular, DEF is an aqueous urethane solution made with 33.5% urethane and 66.5% methanol. The term "defi" (short for diesel exhaust fluid) refers to the liquid itself; it is also known as diesel fluid or fuel spray. Diesel engines contain metal plates and cylinders where the fuel is burned. As the fuel burns, it produces heat, which creates high temperatures that damage the metal components of the cylinders and plates. This heating effect causes the metal to rust, melt and form metal particles. There are many reasons that diesel exhaust fluid should be stored properly. The most apparent justification boils down to keeping it out of the rain and other e...