Welcome to DEF Solutions for Fleets, Distributors & Manufacturers.
Diesel Exhaust Fluid (DEF), commercially known as AdBlue®, is a non-toxic solution made of 32.5% high-purity urea and 67.5% deionized water. Used in diesel vehicles with SCR systems, it reduces harmful nitrogen oxide (NOx) emissions and ensures full environmental compliance.
At Jo-DEF], we produce DEF that meets strict ISO 22241 standards and carries API certification—guaranteeing performance, purity, and regulatory alignment.
We use only ISO-certified raw material and ultra-pure deionized water.
Each batch is thoroughly tested for crystal point, pH level, and contamination.
Available in IBC totes, drums, and small canisters—shipped reliably across the globe.
The Selective Catalytic Reduction (SCR) system is an advanced emissions control technology used in diesel engines. It works by injecting Diesel Exhaust Fluid (DEF), also known as AdBlue®, into the exhaust stream.
Once injected, DEF breaks down into ammonia, which reacts with nitrogen oxides (NOx) over a catalyst — converting them into harmless nitrogen and water vapor.
This process reduces NOx emissions by up to 90%, helping vehicles meet strict environmental regulations like Euro 6 and Tier 4 Final standard.
We don’t settle for mere compliance — we strive for excellence. Our product meets international specifications such as ISO 22241 and undergoes rigorous laboratory testing to ensure purity and chemical stability.
It is officially certified by the American Petroleum Institute (API), guaranteeing global recognition and trust. We maintain exceptional quality through monthly testing conducted by world-class, specialized laboratories.
We offer DEF in Bulk 10,000+ Liter, 1000L IBCs, 200L drums, and 10–20L jerry cans with UV-resistant labeling.
Look for ISO 22241 compliance, API certification, and recent lab test reports. The fluid should be colorless and odorless.
Only in vehicles equipped with SCR systems. Never mix with diesel fuel or substitute with non-certified fluids.
