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Coating Viscosity Checks: Avoid Air Bubbles in the Test Specimen
Entrained air can interfere with a test specimen's suitability. Sample preparation should follow the instrument and product method.
Updated · NANOLAB Knowledge
Practical approach
Inspect the sample and use the approved preparation procedure without adding unapproved chemicals or changing the formulation.
Vigorous improvised shaking immediately before testing may create a different specimen from the one required by the method.
Decision limits
Do not treat a questionable reading as a product specification result until specimen preparation is resolved.
Related guidance
- Comparing Coating Viscosity at Different Temperatures: Build a Fair Test
- Compressed Air Before Ceramic Coating: Checking for Contamination
- Coating Density Checks: Keep Temperature and Air Entrapment Under Control
- Coating Flow Cups: Keep the Orifice Condition Controlled
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
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.
Compressed Air Before Ceramic Coating: Checking for Contamination
Check compressed-air quality and drying technique before using air near paint prepared for ceramic coating.
Coating Density Checks: Keep Temperature and Air Entrapment Under Control
A density result depends on the specimen and measurement conditions. Temperature and entrained air need appropriate control.