Chrome-free, heavy metal-free resin plating pretreatment technology
We would like to introduce a case study of conductive diamond technology that has realized an alternative to chromic acid used in the plating process of automotive parts. Car front grilles, door knobs, and other components are plated on resin, but resin does not conduct electricity and cannot undergo electroplating. Chromic acid is used to dissolve (etch) the resin, fix the catalytic metal, and perform the plating process. This technology uses a solution electrolyzed with a diamond electrode from a sulfuric acid solution, making it a clean and environmentally friendly alternative technology that does not involve toxicity or waste. Additionally, the sulfuric acid solution can be reused, reducing wastewater. [Case Overview] - Dissolves (etches) resin with chromic acid, fixes catalytic metal, and performs plating. - Expected as a clean and environmentally friendly alternative technology that does not use chromic acid. *For more details, please download the PDF or feel free to contact us.
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Our company is a manufacturer that synthesizes and produces conductive diamonds using CVD. We have conducted research focused on film formation conditions over many years, establishing know-how for durability, high conductivity, and stable film formation over large areas. Diamonds, which possess unique properties such as high hardness, refractive index, thermal conductivity, and chemical stability, are increasingly in demand as materials that can respond to technological advancements and environmental impact reduction. Please feel free to contact us if you have any inquiries.