Specify the Viscosity Grade and Application
The most common sourcing mistake is asking for "oil" or "grease" without the viscosity grade and application.
The correct grade depends on the equipment, operating temperature, and load, so a quote given without that context is hard to compare and risks harming the machinery.
A stronger enquiry states the application, the viscosity grade (for example an ISO VG or SAE grade), and any equipment or OEM specification the product must meet.
- State the application and equipment
- Specify the viscosity grade (ISO VG / SAE)
- Note any OEM or performance specification required
Finished Lubricant or Base Oil + Additives?
Buyers split into those sourcing finished lubricants and blenders sourcing base oils and additive packages for their own production.
These are quoted very differently, so state which you need.
For blending inputs, specify the base-oil type or grade and the additive function so suppliers quote the correct item.
- Specify finished lubricant vs base oil / additive package
- For base oils, state the type and grade
- For additives, state the function (anti-wear, EP, VI, pour-point)
TDS, Standards, and Documentation
For lubricants and oils, confirm the Technical Data Sheet (TDS), the viscosity grade, and safety documentation.
For transformer oils and other regulated or performance-critical products, confirm the applicable standard or test data before commercial closure.
Ask for recent lot-level documentation, and confirm packaging and shelf-life for your storage.
- TDS with viscosity grade and performance data
- Applicable standard or OEM approval where required
- Safety documentation (MSDS)
- Packaging and shelf-life suited to your storage
Frequently Asked
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