Simple. Transparent. Reliable.
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07951 566 674

Simple. Transparent. Reliable.

AUS40 Effinox & Def Solutions Specialists

NAT Cargo Enterprise Ltd specialises in the supply, logistics, and technical support of high-purity marine emissions control solutions.

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How Can We Help You?

From AUS40 for SCR systems to EFFINOX-compliant reagents and complete DEF SOLUTIONS, we keep your fleet compliant, efficient, and operational in every Emission Control Area worldwide.

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  • Certified DEF
  • Diesel Exhaust Fluid (DEF)
  • On-site refractometer testing
  • COA with every batch
  • DEF-compatible dispensing tools
  • Tank cleaning and commissioning

Request For A Quote

Need a quote for AUS40, EFFINOX, or DEF SOLUTIONS? Share your vessel and port details. We’ll get back to you today.

About Us

Who We Are

NAT Cargo Enterprise Ltd was founded to address a critical gap in the marine supply chain: the reliable, global delivery of high-precision emissions control chemicals.

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Our History

NAT Cargo Enterprise Ltd was founded at Unit B & C, Ladfordfields Industrial Estate, Seighford, Stafford (ST18 9QE) – a strategic base from which we now deliver AUS40, EFFINOX, and DEF SOLUTIONS to over 200 ports across six continents.

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World Experts

We are not just a supplier. We are a technical partner – from the first fill of a new-build SCR system to the 500th just-in-time delivery at a congested global port.

Local Knowledge

NAT Cargo Enterprise Ltd delivers to over 200 ports across six continents. Every delivery is backed by local agents, customs expertise, and real-time vessel tracking.

Why Choose Us

Uncompromising Quality Assurance

Every batch of AUS40 and every DEF solution we deliver is certified to ISO 18611 or ISO 22241 standards. We provide a Certificate of Analysis (COA) with each shipment. For EFFINOX-compliant products, we supply additional verification of compatibility with specific SCR catalyst systems.

Reach Our Team

Have a question or need a quote for AUS40, EFFINOX, or DEF SOLUTIONS? Reach out to our team. We’re available 24/7 and respond within 4 hours.

  • 4-Hour Response
  • 24/7 Support
  • Global Reach
  • Free & Fast Quotes
Call Us
  • Unit B & C Ladfordfields Insutrial Estate, Seighford, Stafford, England, ST18 9QE
  • Mon - Fri : 9:00 am - 5:00 pm
  • 07951 566 674

Temperature-Controlled Supply Chain Integrity

AUS40 freezes at 0°C and degrades above 30°C. DEF solutions have similar sensitivities. We maintain strict 5°C to 25°C temperature controls across all storage facilities and dedicated transport fleets – from warehouse to vessel manifold.

On-Time Delivery Performance
99%
ISO-Certified Quality
100%
Temperature-Controlled Supply Chain
98%
Client Loyalty Rate
94%
Catalyst Compatibility Guarantee
100%

Our Services

We Provide The Best Options

One-call coordination with agents, port authorities, and vessel to ensure seamless operations.

AUS40

AUS40 is a high-purity 40% aqueous urea solution specifically formulated for Selective Catalytic Reduction (SCR) systems on marine vessels. It reduces nitrogen oxide (NOx) emissions by up to 98%, enabling IMO Tier III compliance within Emission Control Areas (ECAs).

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EFFINOX

The EFFINOX green caveat refers to the strict IMO and manufacturer requirements for reduction agents used in advanced SCR systems. Standard urea solutions may contain trace impurities that degrade sensitive catalyst coatings. EFFINOX-compliant reagents meet tighter tolerances for alkalinity, biuret, metal ions, and insoluble matter.

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DEF SOLUTIONS

Diesel Exhaust Fluid (DEF) is a 32.5% high-purity urea solution conforming to ISO 22241. It is used in Selective Catalytic Reduction (SCR) systems. COA with every batch, including key parameters: urea content, alkalinity, biuret, insoluble matter, and aldehydes

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All Services
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Satisfied Customers
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Ports Served
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AUS40 Tonnes Delivered (Annual)

Let’s talk about how we stand No. 01 position in the world!

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How We Work

Simple. Transparent. Reliable.

We keep it simple. From your first inquiry to the moment our AUS40, EFFINOX, or DEF SOLUTIONS reaches your vessel manifold, every step is transparent, tested, and temperature-controlled. Here’s how we deliver certainty, not just chemicals.

  • Consult

    You tell us your vessel, port, volume, and delivery window. We advise on AUS40, EFFINOX, or DEF Solutions based on your SCR system and compliance requirements.

  • Certify

    We batch-test every product to ISO 18611 (AUS40) or ISO 22241 (DEF). EFFINOX-certified reagents receive additional catalyst compatibility verification.

  • Deliver

    Temperature-controlled logistics from our Stafford hub to your vessel manifold. Real-time tracking and 12-hour lead times at major ports.

  • Verify

    You test concentration using a digital refractometer before acceptance. We provide Certificate of Analysis and 24/7 technical support.

Testimonials

Real Results. Real Businesses. Real Trust.

Our clients include logistics operators, agricultural cooperatives, industrial manufacturers, and construction firms – all with one thing in common: the need for reliable, ISO-certified emissions control reagents. Here’s why they choose NAT Cargo for AUS40, EFFINOX, and DEF SOLUTIONS.

David Cartwright
    David Cartwright

    Fleet Manager

    We run a fleet of 85 Euro VI trucks operating daily across the UK and mainland Europe. Before switching to NAT Cargo, we experienced inconsistent DEF quality from multiple suppliers, leading to SCR system warnings and costly downtime. Their DEF SOLUTIONS are always ISO 22241-certified, delivered on time, and the refractometer testing gives us confidence before we accept a delivery. Our vehicle uptime has improved by 12%.

    Margaret Finch
      Margaret Finch

      Operations Director

      Our cooperative operates 40 tractors, combines, and agricultural machinery fitted with SCR systems. We previously bought AdBlue from local retailers in small containers – expensive and inconsistent. NAT Cargo now supplies DEF SOLUTIONS in bulk IBCs direct to our farm depot. The product is always fresh, properly stored, and competitively priced. Our machinery runs cleaner and we've cut our fluid costs by 25%.

      Rakesh Patel
        Rakesh Patel

        Facilities & Compliance Manager

        Our manufacturing facility operates a combined heat and power (CHP) plant with an SCR system for emissions compliance. We needed a reliable supplier of high-purity AUS40 with strict quality documentation for environmental audits. NAT Cargo delivers on a just-in-time schedule, provides full batch traceability, and their technical team advised us on proper bulk storage tank installation. Compliance audits are now effortless.