Clean tanker
Meaning
A clean tanker carries refined clean products such as gasoline, naphtha, jet fuel and diesel, usually with coated tanks to protect cargo quality.
Also written as Clean products tanker, Coated tanker, CPP
Clean tanker explained
Clean petroleum products (CPP) need tanks free from residues that could contaminate them, so clean tankers are coated and carefully cleaned between cargoes. MRs, LR1s and LR2s are the main clean sizes.
Related terms
Dirty tanker
A dirty tanker carries crude oil or dirty petroleum products such as fuel oil, which can't follow straight into a clean product without major cleaning.
Tank cleaning
Tank cleaning is washing a tanker's cargo tanks between cargoes so the next cargo is not contaminated, especially when switching grades.
MR tanker
An MR (medium range) tanker is a product tanker of about 25,000 to 55,000 deadweight tonnes, the most common size for gasoline, diesel and jet fuel.
Last three cargoes
Last three cargoes (L3C) are the grades a tanker carried on its three previous voyages, checked by charterers to judge contamination risk.