| Product Name | Diesel Exhaust Fluid (DEF, AdBlue, AUS 32, ARLA 32) |
| CAS No. | 57-13-6 (Urea component) |
| EINECS No. | 200-315-5 |
| Appearance | Colorless or light blue transparent liquid, slight ammonia-like odor |
| Main Types | Standard Type (AUS 32) : 32.5% high-purity urea + 67.5% deionized water. For SCR systems. Meets ISO 22241. High Concentration Type: Urea content ≥35%. Reduces crystallization risk. Suitable for extreme cold regions and specific engines. Antifreeze Type: Freezing point as low as -40℃. Suitable for extremely cold regions. |
| Brand Names by Region | Europe: AdBlue；Americas: DEF (Diesel Exhaust Fluid)；Brazil: ARLA 32；China/Others: AUS 32 |
| Core Chemical Composition | High purity urea (32.5%) + Deionized water (67.5%)；Urea purity ≥99.5%；Biuret ≤0.3%；Aldehydes ≤5mg/kg |
| Quality Control Systems | ISO 22241；China GB 29518-2013；Germany VDA AdBlue；US API DEF；Japan JASO |
| Key Quality Specifications | Urea Concentration: 32.5%±0.7%；Alkalinity (as NH₃) ≤0.2%；Biuret ≤0.3%；Insolubles ≤20ppm；Phosphates ≤0.5ppm；Ca ≤0.5ppm；Fe ≤0.5ppm；Cu ≤0.2ppm；Zn ≤0.2ppm；Cr ≤0.2ppm；Ni ≤0.2ppm；Al ≤0.5ppm；Mg ≤0.5ppm；Na ≤0.5ppm；K ≤0.5ppm；Aldehydes ≤5mg/kg；Density at 20℃: 1087-1093 kg/m³；Refractive Index: 1.3814-1.3840 nD；pH: 7.0-9.0；Freezing Point: approx. -11.5℃ |
| SCR Technology Principle | Converts toxic nitrogen oxides (NOx) into harmless nitrogen (N₂) and water vapor (H₂O). Reduces over 85% of NOx emissions from diesel engines. |
| Features | High purity, deionized water, heavy metal-free, precipitation-free, traceable batch production, SCR compatible, fuel efficient. |
| Main Applications | Commercial Vehicles (trucks, buses), Diesel Passenger Vehicles (SUVs, sedans), Non-road Mobile Machinery (construction machinery, agricultural machinery/tractors, forklifts), Marine (SCR equipped inland and coastal vessels), Generator Sets (SCR equipped diesel generators). Recommended dosage: 4-6% of diesel consumption. |
| Transportation Information | Non-hazardous cargo. No UN number required. |
| Packaging | Small packs (1.5L, 1.89L, 2.5L, 3.5L, 5L, 10L, 20L, 25L plastic containers)；Medium packs (100L, 200L, 210L, 220L drums)；Large packs (1000L IBC containers)；Bulk (tank trucks, ISO tank containers) |
| Storage Conditions | Ventilated, cool, dry, clean, away from direct sunlight; optimal storage temperature -5℃ to 25℃; shelf life 12-24 months. |
| Shipping Requirements | Non-hazardous cargo. No UN number required. Can be shipped as general cargo. |
| Quality Standards | ISO 22241-1:2019 (International)；GB 29518-2013 (China)；VDA AdBlue (Germany)；API DEF (US)；JASO (Japan)；OEM certifications (Daimler, Volvo, MAN, Cummins, etc.) |
| Market Outlook | Global market size 2025: approx. USD 4.478 billion；2032 forecast: USD 11 billion；CAGR 13.9% (2026-2032). Regional shares: Europe 43%, Asia Pacific 34%, North America 21%. |
| Minimum Order Quantity | Standard 20-25 tons (1×20'FCL, IBC totes or drums)；Trial order 5-10 tons (drums) |
| Delivery Time | Standard 7-15 working days (peak season may vary)；custom packaging 15-25 working days |
| Payment Terms | T/T (30% deposit, 70% against B/L copy)；FOB/CFR/CIF supported |
| HS Code | 3102100010 (Diesel Exhaust Fluid). Export tariff 0%, VAT 9%, export rebate 0%, customs supervision condition: tAB. Final classification subject to customs confirmation. |
