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Coating Viscosity Samples: Record the Container Geometry
Some viscosity methods depend on the sample container and immersion arrangement. Changing the vessel can change the measurement conditions.
Updated · NANOLAB Knowledge
Practical approach
Use the specified container, fill quantity and positioning, and record deviations before interpreting results.
A small improvised jar may not reproduce a method established in a larger vessel.
Decision limits
Do not assume a matching spindle code alone makes two tests equivalent.
Related guidance
- Sample-Cup Blanks: Check the Container Before Blaming Rinse Water
- Comparing Coating Viscosity at Different Temperatures: Build a Fair Test
- Coating Viscosity Reports: Record the Spindle and Speed
- Coating Density Checks: Keep Temperature and Air Entrapment Under Control
Method reference: BYK-Gardner: viscosity measurement. References describe their stated methods or products; they do not certify NANOLAB products or establish compatibility with an unlisted surface.
Ask NANOLAB about the exact product and intended use. Use the current product documentation for formulation-specific instructions.
Continue reading
Sample-Cup Blanks: Check the Container Before Blaming Rinse Water
Use a sample-container blank to investigate unexpected water readings before replacing treatment equipment or blaming a coating.
Comparing Coating Viscosity at Different Temperatures: Build a Fair Test
Compare coating viscosity at consistent sample temperatures and distinguish ordinary flow changes from possible storage damage.
Coating Viscosity Reports: Record the Spindle and Speed
A rotational-viscosity result needs its test conditions. Spindle and speed are part of the method, especially for materials whose response depends on shear.