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Scratch-Resistance Claims for Metal Nano Coatings: Ask for the Test Method
A scratch-resistance statement needs a defined test and surface system. Do not convert a demonstration or hardness label into a promise that the finished component cannot be marked.
Updated · NANOLAB Knowledge
Define the relevant requirement
Identify the metal, outer finish and expected contact in use. State whether the concern is appearance, cleaning wear or a specified test result. Different questions require different evidence and acceptance criteria.
Request the method and system
Obtain the test information, substrate preparation, coating identity and conditions behind the claim. Keep the original result and its scope available. A named rating without the method cannot establish every real-world contact outcome.
Evaluate the intended application
Confirm compatibility and the product’s actual instructions. Where a supported trial is appropriate, define what will be observed without introducing an unapproved destructive test on the finished component. A local example does not replace the full evidence requirement.
Use precise customer wording
Describe the supported property and care method while retaining limitations. Do not call a surface scratch-proof from a test that measures something narrower. Record appearance acceptance separately from the specialised performance evidence.
Frequently asked question
Does a hardness rating guarantee that keys or cleaning tools cannot mark the metal finish?
No. Review the actual test and service conditions. Avoid extending a rating beyond what it measures.