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Colour Checks After Coating: Separate Lighting from Surface Change
A perceived colour difference can depend on the light source and viewing conditions. Repeat the observation before assigning it to the coating.
Updated · NANOLAB Knowledge
Practical approach
Compare the same area and reference under controlled lighting. Record the finish, preparation and observation method, using suitable instruments when the specification requires them.
A panel viewed in warm indoor light and later in daylight may look different without any intervening treatment.
Decision limits
Do not promise colour stability from a single photograph or visual check. Define the relevant acceptance conditions with the customer.
Related guidance
- Lighting for Paint Correction and Ceramic Coating Inspection
- Lint Checks for Coating Towels: A Small Trial Before Installation
- Coating Colour Checks: Read the Direction of Change, Not Only Delta E
- Coating Roughness Measurements: Preserve the Filter and Evaluation Length
Method reference: BYK-Gardner: appearance and orange peel. 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.
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Lighting for Paint Correction and Ceramic Coating Inspection
Use complementary lighting and viewing angles to reveal scratches, haze and coating residue without relying on one bright reflection.
Lint Checks for Coating Towels: A Small Trial Before Installation
Towel lint can complicate coating levelling and inspection. Check the towels intended for the job before opening the coating bottle.
Coating Colour Checks: Read the Direction of Change, Not Only Delta E
A single colour-difference value describes magnitude but does not explain the direction of the change. Component differences provide additional context.