DEFJuly 10, 2019by tyrussum
Shelf Life of Diesel Exhaust Fluid DEF
This article is to help you understand the shelf life and sensitivity of DEF. Diesel Exhaust Fluid (DEF) is a blend of urea and de-ionized water produced to an international standard (ISO 22241). In other words, it is used to reduce the nitrogen oxide concentration in diesel exhaust emissions from diesel engines. However, it...