Tata Def Lubricants

Diesel exhaust fluid (DEF) is an aqueous urea solution made with 32.5% urea and 67.5% deionized water.

It is standardised as AUS 32 (aqueous urea solution)DEF Is used as a consumable in selective catalytic reduction (SCR) In order to lower NOxconcentration in the diesel exhaust emissions from diesel engines Diesel exhaust fluid (DEF).

Compatible with all SCR enabled BSIV engines.

Storage below 30° C and over -11°C is recomended to maintain optimal shelf life of 12 months.

Protect DEF against any contamination of fuel, oil, water, dust, dirt etc.

Physico-chemical properties

Characteristics Test Method Unit Specifications
Colour Visual Colorless
Density @ 29.5°C *CTM gms/cc 0.95+0.05
Propellant Non-CFC