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10 Myths And Facts About Diesel Exhaust Fluid

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Diesel Exhaust Fluid is a designed liquid sprayed into the combustion chamber walls to reduce air pollution produced by a diesel engine during operation. In particular, DEF is aqueous urethane made with 32.5 % urethane and 67.5 % deionized water.

The other main component of Diesel Exhaust Fluid is Catalytic Reduction Flux, an organic solvent that reduces the risk of catalytic corrosion, particularly in engines using fuel-based lubrication.

As noted above, the origin of the name ‘Defensive Diesel’ is based on the defensive function of this fluid.

So, what does this mean to us?

Diesel exhaust fluid tanks are placed in strategic positions within an engine compartment, typically at the rear of the engine (or at the tailgate). They serve as reservoirs for waste gas from burning the fuel and holding a constant fuel volume until it is time to refill them. As mentioned earlier, these tanks are usually placed in a strategic position; if one of them ruptures while the vehicle is in motion, the results can be catastrophic.

So, why is this liquid called diesel exhaust fluid, anyway? Simply put, the product contains two ingredients – nitrogen and salt. And like any other type of fluid, these two ingredients are separated through a complex series of chemical reactions to form two distinct solutions:

Now, you know what DEF is and its purpose, but what are some of the most commonly asked questions about DEF, and how do they answer some of the more popular questions you hear from drivers on the road? Is it significant to know all these things?

Before anything else, begin with knowing all the other facts to disregard and avoid the myths of the diesel exhaust fluid for future help.

Know them all at once on the infographic below created and designed by Pure Diesel Power:

10-Myths-and-facts-about-Diesel-Exhaust-Fluid-Infographic

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