BO-044
Base stock procurement profile
Viscosity-target enquiry for a naphthenic base stock, subject to refiner availability and actual test results; not a guaranteed stock grade.
| Key buying criteria | KV40/KV100, solvency or aniline point, viscosity index, pour/flash points, sulfur, water, aromatics and refining data |
|---|---|
| Packing | Bulk, drums or IBCs subject to product compatibility, net mass, cleanliness and agreed transport requirements. |
| Documentation | TDS · SDS · COA · origin, traceability and agreed inspection |
Grade names are commercial enquiries, not universal specifications. SN/N/R numbers are refiner-specific; cSt must state temperature. ISO VG describes viscosity at 40°C. II+ and III+ are market labels. GTL is a process; re-refined is an origin. Confirm API group and compatibility from the actual TDS and batch COA. Base stocks are ingredients, not finished engine oils or API-licensed lubricants.
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