Products: Diesel Exhaust Fluid

Diesel exhaust fluid (DEF) is an aqueous urea solution made with 32.5% high-purity urea (AUS 32) and 67.5% deionized water. DEF is used as a consumable in Selective Catalytic Reduction (SCR) in order to lower NOx concentration in the diesel exhaust emissions from diesel engines.

Product Specifications Sheet

Material Safety Data Sheets