Diesel Exhaust Fluid (DEF) 32.5% Urea — Emission control

Description

1. Product Overview

Diesel Exhaust Fluid (DEF) 32.5% Urea — Emission Control is a high-purity aqueous urea solution specifically formulated for use in Selective Catalytic Reduction (SCR) systems in modern diesel engines. The product consists of 32.5% automotive-grade urea dissolved in deionized water and is designed to reduce harmful nitrogen oxide (NOx) emissions produced during diesel combustion. Its primary industrial use is in transportation fleets, heavy machinery, and power generation equipment operating under strict emissions regulations. The key value proposition lies in enabling compliance with global emissions standards while maintaining optimal engine performance and fuel efficiency. Strategically, DEF is essential for industries operating diesel-powered equipment to meet environmental regulations and maintain regulatory compliance in international markets.

2. Key Specifications & Technical Characteristics

• Chemical Composition:
  • 32.5% high-purity urea (CO(NH₂)₂)
  • 67.5% deionized water
• Purity Level / Grade:
  • Automotive-grade DEF
  • Conforms to ISO 22241 standards for Diesel Exhaust Fluid
  • Low biuret, aldehyde, and insoluble content
• Physical Characteristics:
  • Clear, colorless liquid
  • Odorless or very mild ammonia odor
  • Density: Approximately 1.087–1.093 g/cm³ at 20°C
  • Non-toxic and non-flammable
  • Free from suspended solids
• Packaging Options:
  • Bulk ISO tank containers
  • IBC containers (1,000L)
  • 210L HDPE drums
  • Smaller packaged containers available upon request
• Shelf Life:
  • Typically 12–24 months under proper storage conditions
  • Store between −5°C and 25°C in sealed, contamination-free containers

3. Core Industrial Applications

Primary Industries:

• Commercial transportation and logistics fleets
• Mining and heavy construction equipment operators
• Agricultural machinery operators
• Marine diesel engine operations
• Power generation and industrial diesel generator systems

Operational Use Cases:

• Injection into SCR systems to convert NOx emissions into nitrogen and water vapor
• Emission compliance for Euro VI, EPA, and other global diesel standards
• Continuous emissions control in heavy-duty trucks and buses
• Environmental compliance for off-road construction and mining equipment

Performance & Cost Advantages:
Diesel Exhaust Fluid is engineered to optimize SCR system efficiency, ensuring reliable NOx reduction without negatively affecting engine performance. Compared with alternative emission reduction technologies, DEF-based SCR systems provide higher emission reduction efficiency and improved fuel economy. For fleet operators and industrial equipment owners, DEF enables regulatory compliance while minimizing operational penalties and maintenance risks associated with non-compliance.

4. Competitive Advantages

• Quality Consistency: Produced using high-purity urea and deionized water in compliance with ISO 22241 standards
• Supply Reliability: Stable production capacity supporting long-term supply agreements for fleet operators and distributors
• Logistics Capability: Bulk transport and multi-format packaging for flexible distribution and storage
• Price Competitiveness: Optimized supply chain for cost-efficient DEF procurement at scale
• Sustainability Benefits: Supports significant reduction of nitrogen oxide emissions from diesel engines
• Technical Documentation: Full product documentation including COA, SDS, and regulatory compliance certifications available

Positioned as a strategic emissions control solution, Diesel Exhaust Fluid (DEF) ensures regulatory compliance, supports environmental responsibility, and enables efficient operation of modern diesel-powered fleets and industrial equipment.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20MT
• Loading Capacity (MT per container): Approximately 20–24 MT per 20’ ISO tank container (depending on packaging and transport configuration)