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Coating Flow Cups: Keep the Orifice Condition Controlled
Residue or damage at the flow-cup opening can affect the test. Cleaning must preserve the calibrated geometry.
Updated · NANOLAB Knowledge
Practical approach
Follow the cup supplier's care and verification instructions, and inspect before use.
Scraping a blocked opening with an unsuitable tool can create a new measurement problem while removing the old residue.
Decision limits
Do not modify the orifice to restore a preferred flow time. Use an appropriate maintained reference instrument.
Related guidance
- Reusing Measuring Cups in Detailing: Separate Accuracy from Cleanliness
- Measuring Hose Flow with a Collection Test: Litres per Minute in Practice
- Coating Flow-Cup Tests: Seconds Are Specific to the Cup
- Coating Viscosity Samples: Record the Container Geometry
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
Reusing Measuring Cups in Detailing: Separate Accuracy from Cleanliness
A measuring cup can display the right volume while adding residue from an earlier product. Accuracy and cleanliness need separate controls.
Measuring Hose Flow with a Collection Test: Litres per Minute in Practice
Estimate hose flow with a timed collection test, calculate litres per minute, and keep flow measurement separate from pressure.
Coating Flow-Cup Tests: Seconds Are Specific to the Cup
A flow time only becomes meaningful with the cup type, orifice and test conditions. Seconds from different cups are not automatically equivalent.