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4. Demetallization or stripping of coated materials
Demetallization, also known as stripping, consists in removing a defective or non-conforming coating, while guaranteeing the durability of parts by preserving the mechanical and dimensional characteristics of the substrate. Another aspect relates to the treatment of jigs and fixtures or other production elements, where the presence of metallic protrusions can cause irreversible defects in the actual surface treatment of the parts.
Demetallization is described as :
-
if it involves redox coupling according to the reaction :
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Demetallization or stripping of coated materials
Hydrogen and paint stripping
Bibliography
Standards and norms
- Les équipements de protection individuelle (EPI). Règles d'utilisation INRS. - ED 6077 - 2013
Regulations
Arrêté ministériel du 30 juin 2006 relatif aux prescriptions générales applicables aux installations relevant du régime de l'autorisation au titre de la rubrique 3260 de la nomenclature des installations classées pour la protection de l'environnement – JORF n° 205 du 5 septembre 2006.
REACH regulation, Registration, Evaluation, Authorization and Restriction of Chemicals (regulation no. 1907/2006)...
Patents
German patent No. 1061151
European Patent EP 2438210B1 – 11.04.2012 – Method for regenerating a solution used for pickling or chemically milling titanium – Cros C. and Bares P. – Airbus operating SAS and Mecaprotec Ind.
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Institut national de recherche et de sécurité pour la prévention des accidents du travail et des maladies professionnelles (INRS - French National Institute for Research and Safety in Occupational Accident and Disease Prevention)
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