EN590, JET A1, D6 and crude oil: the terms explained.
A compact overview of four designations frequently used in the petroleum trade – and what they mean in general.
Why shared terms matter
When talking about petroleum products, everyone should be sure they mean the same thing. This overview explains four common designations in general terms. It does not replace a specification or an expert review in individual cases.
EN590 – diesel fuel
EN 590 is the European standard for diesel fuel. It sets requirements for properties such as sulphur content, cetane number and density. “EN590” usually refers to diesel that meets this standard.
JET A1 – aviation fuel
JET A1 is a kerosene-based fuel for aircraft turbines and is widely used internationally. Aviation is subject to particularly strict quality and documentation requirements.
D6 – fuel oil
D6 refers to a heavy residual fuel oil. It is used, among other things, in industrial installations and shipping and usually has to be heated before use.
Crude oil
Crude oil is the unprocessed raw material from which refineries produce fuels and other products. Grades differ by origin, density and sulphur content, among other things; Brent and WTI are well-known benchmark grades.
Clarified in conversation
The specific requirements in each case are agreed directly between the business partners. We help bring the right contacts together.
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