32.5% urea solution for selective catalytic reduction systems
AdBlue (a registered trademark for AUS 32) is a 32.5% urea solution in water, made for use in selective catalytic reduction (SCR) systems on diesel engines, helping lower nitrogen-oxide emissions in the exhaust gases. The solution is clear, non-toxic and safe to handle.
Ensure adequate ventilation and use personal protective equipment (PPE) for skin and eyes. Follow safe-handling guidelines and good basic hygiene, and take care to avoid contaminating the product. Shelf life is one year when stored correctly: keep away from direct sunlight and extreme temperatures (storage should not exceed 25 °C), in the sealed original packaging within a well-ventilated area. Freezing point is -11 °C; the product returns to original quality once thawed.
| Property | Typical |
|---|---|
| Urea concentration | 32.5 % |
| Appearance | Clear solution |
| Freezing point | -11 °C |
| Maximum storage temperature | 25 °C |
| Shelf life (correct storage) | 1 year |
Typical values shown do not constitute a specification. The information is based on current knowledge and is intended to describe the product for possible applications; it does not release the user from performing preliminary tests.