Autofield Safeguard Autofield Safeguard (DEF) is a premium aqueous diesel exhaust fluid which is carefully blended through aqueous urea solution of 33.5% high purity & 67.5% of deionized water. After the full combustion diesel engine generates nitrogen oxides (NOx) and the excess of air which are harmful pollutants. Selective catalytic reduction (SCR) is the leading technology being used to meet the 2010 emission regulations & is used to reduce the amount of NOx released in the atmosphere.

Autofield Safeguard (DEF) is injected into the exhaust pipeline where the aqueous urea vaporizes & decomposes of form ammonia & carbon dioxide. With the selective catalytic reduction (SCR) catalyst, the NOx are reduced by the ammonia, Water & Nitrogen which are harmless and these are released through the exhaust. Reduction ratio of NOx up to 90% of using SCR technology. The reduction ratio of NOx by urea is:


2NH2 - CO - NH2 + 4NO +O24N2 + 4H2O + 2C02


Autofield Safeguard (DEF) is non-toxic, non-hazardous & formaldehyde free. It is quite effective in controlling the emission of NOx from power plants, diesel powered trucks & heavy equipments.

Autofield Safeguard Features

  • Meets ISO 22241-1 and AUS 32 specifications
  • Meets or exceeds OEM specifications
  • Reduces SCR component wear
  • Extends SCR catalyst life
  • Self life @ -11°C to 30°C
  • Ready to use.
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How does the SCR system work?

SCR system work

Do's & Don't

  • Don't use DEF as a diesel additive.
  • Don't add DEF in any fuel tank.
  • Don't use any fuel, lubricants for your DEF.
  • Reach out of children & direct sunlight.

Specification

No. Test Parameter Test Method Unit Results Specification
01 Appearance Visual - Transparent Lq. Transparent Lq.
02 Urea Content ISO 22241-2 (B & C) % (MM) 33.5 31.8 - 32.5
03 Density @20°C ISO 3675 / ISO 12185 kg/m3 1092.0 1087.0 - 1093.0
04 Alkalinity as NH ISO 22241 - 2 (D) % (m/m) 0.11 0.2 Max.
05 Bluret ISO 22241 - 2 (E) mg/kg 0.12 0.3 Max
06 Aldehyde ISO 22241 - 2 (F) mg/kg 1.60 5.0 Max
07 Insoluble Matter ISO 22241 - 2 (G) mg/kg 5.50 20.0 Max
08 Phosphate as (PO)4 ISO 22241 - 2 (H) mg/kg 0.18 0.8 Max
09 Calcium ISO 22241 - 2 (I) mg/kg 0.15 0.5 Max
10 Iron ISO 22241 - 2 (I) mg/kg 0.33 0.5 Max
11 Copper ISO 22241 - 2 (I) mg/kg 0.10 0.2 Max
12 Zinc ISO 22241 - 2 (I) mg/kg 0.04 0.2 Max
13 Chromium ISO 22241 - 2 (I) mg/kg Absent 0.2 Max
14 Nickel ISO 22241 - 2 (I) mg/kg Absent 0.2 Max
15 Magnesium ISO 22241 - 2 (I) mg/kg 0.22 0.5 Max
16 Sodium ISO 22241 - 2 (I) mg/kg 0.25 0.5 Max
17 Potassium ISO 22241 - 2 (I) mg/kg 0.20 0.5 Max
18 Aluminum ISO 22241 - 2 (I) mg/kg Absent 0.5 Max