Copper nickel chromium stripping agent
Copper Nickel Chromium Stripping Agent: Overview and Applications Copper nickel chromium stripping agents are specialized chemical formulations designed to remove copper, nickel, and chromium plating from metal substrates without damaging the base material. These agents are widely used in industries such as electroplating, automotive, aerospace, and electronics manufacturing, where precise stripping of metal coatings is required for rework, repair, or recycling purposes. Composition and Mechanism The stripping agents typically consist of a blend of acids, oxidizers, inhibitors, and surfactants. Common components include nitric acid, sulfuric acid, hydrogen peroxide, or organic acids, which dissolve the metal layers. Inhibitors are added to protect the underlying substrate (e.g., steel or aluminum) from corrosion, while surfactants improve wetting and ensure uniform stripping. The process involves an oxidation-reduction reaction where the metal coating is oxidized and dissolved into the solution. For example, chromium stripping often requires a reducing agent to convert hexavalent chromium (Cr⁶⁺) into a less toxic trivalent form (Cr³⁺), ensuring environmental compliance. Key Features and Benefits 1. Selective Stripping – The agent targets only the desired metal layers, preserving the integrity of the base material. 2. High Efficiency – Works quickly at controlled temperatures, reducing downtime in production. 3. Environmentally Friendly Formulations – Modern stripping agents minimize hazardous byproducts and comply with regulations like RoHS and REACH. 4. Versatility – Suitable for various plating thicknesses and substrate types, including ferrous and non-ferrous metals. Applications - Electroplating Shops: Used to correct plating defects or prepare parts for re-plating. - Aerospace & Automotive: Removes worn or damaged coatings from components for refurbishment. - Electronics Recycling: Recovers precious metals from discarded circuit boards and connectors. Safety and Handling Proper ventilation, PPE (gloves, goggles), and neutralization of spent solutions are critical due to the corrosive nature of these chemicals. Waste must be treated to remove heavy metals before disposal. Conclusion Copper nickel chromium stripping agents are essential for maintaining quality and sustainability in metal finishing processes. Their advanced formulations ensure efficient, safe, and eco-friendly metal removal, supporting industrial operations and recycling initiatives. Continuous innovation aims to enhance performance while reducing environmental impact.
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FH-70 Copper, Nickel, Chromium Stripping Agent
Category： Post-plating treatment processBrowse number： 404Number：Release time： 2023-06-25 17:31:10The FH-70 Copper, Nickel, Chromium Stripping Agent is a high-performance electroplating additive developed by Shenzhen Xinfuhua Surface Technology Co., Ltd., a professional enterprise specializing in electroplating chemicals since 2005. Designed for efficient and safe removal of copper, nickel, and chromium coatings, this stripping agent delivers superior results in various industrial applications such as hardware, electronics, automotive parts, precision instruments, and decorative plating.
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FH-70 Copper, Nickel, Chromium Stripping Agent
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