Physical and Handling Properties
Density and viscosity influence storage, heating, pumping, transfer, and blending. Buyers should state test temperature, units, methods, and any operational limitations.
Product Insight
Key considerations in a Vacuum Residue inquiry.
Vacuum Residue quality varies with crude source and refinery processing. Buyers should provide the complete specification and intended application rather than relying on a generic product name.
Composition and Quality
Sulfur, water, sediment, ash, carbon residue, metals, flash point, pour point, and other parameters may matter according to use. Not every parameter applies equally to every application.
Sampling and Testing
Agree the sampling point, test methods, laboratory, inspection company, certificate issuer, acceptance criteria, retained samples, and treatment of out-of-specification results.
Storage and Transport
Heated road tanker, ISO tank, terminal storage, or marine shipment may be considered according to temperature requirements, volume, route, and receiving facilities.
Documents
Quality, origin, quantity, commercial, transport, and inspection documents should be specified before contract, particularly when payment or customs presentation depends on exact wording.
RFQ Checklist
Provide the specification, intended use, quantity, origin restrictions if any, destination, Incoterm, schedule, delivery mode, heating needs, documents, and inspection scope.
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