A full polishing range.
From cutting and one-step correction to final finishing.
Tarnish Beneath Clear Lacquer on Metal: Identify the Layer Before Nano Coating
A mark visible beneath a clear finish is a different problem from residue on top. Identify the outer coating and the apparent location of the change before selecting treatment.
Updated · NANOLAB Knowledge
Confirm the finish system
Obtain the component information where possible and determine whether the exposed surface is lacquer, another clear treatment or bare metal. Do not infer the full finish history from a metallic appearance.
Inspect without assuming a remedy
Record the mark under comparable dry lighting and include a contextual photograph. Use an approved cleaning assessment where appropriate. If the visible change remains beneath an identified outer finish, additional surface cleaning may not answer the restoration question.
Refer repair or restoration separately
Seek the relevant finish supplier’s method for the actual system. Do not abrade or dissolve a clear layer solely to make a nano coating possible. Keep any stripping, refinishing or appearance restoration as a separately defined process.
Evaluate the accepted outer surface
After any agreed work, confirm coating compatibility and preparation for the final exposed finish. Record retained marks and the accepted appearance. Nano coating should not be presented as reversing an unidentified change beneath lacquer.
Frequently asked question
Can a nano coating applied over lacquer guarantee that buried tarnish disappears?
No. Assess the finish and location of the change, and define restoration and surface protection separately.