ISO 22241:2019 – Diesel Engines – NOx Reduction Agent AUS 32
This standard outlines the technical requirements and quality control measures for Aqueous Urea Solution 32.5% (AUS 32) used in emission reduction systems of diesel-powered vehicles. The standard covers:
It is designed to ensure that the DEF product remains effective and uncontaminated throughout its lifecycle to avoid damage to the SCR system and maintain regulatory compliance.
With increasing global and national emission regulations, including Bharat Stage VI (India) and Euro VI (Europe), diesel engine manufacturers and users must ensure that NOx emissions are significantly reduced. ISO 22241-compliant DEF ensures optimal performance of SCR systems by:
Implementing ISO 22241 ensures that your product or fleet operations meet both performance efficiency and environmental responsibility standards.
Implementing ISO 22241:2019 standards in your operations can offer several business advantages:
✅ Regulatory Compliance: Aligns with national and international emission standards (Bharat VI, Euro VI), reducing legal and financial risks.
✅ Improved Product Reputation: Certified DEF producers gain higher trust in the supply chain and from OEMs.
✅ Reduced Maintenance Costs: Prevents clogging and corrosion in SCR systems, minimizing vehicle downtime and repair costs.
✅ Market Access: Enables entry into regulated markets where ISO-compliant DEF is a requirement.
✅ Operational Efficiency: Consistent product quality reduces fuel usage and enhances engine performance.
✅ Environmental Impact: Supports your organization’s ESG goals by significantly reducing NOx emissions.
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