Industrial gun-black plating additive
Industrial Gun-Black Plating Additive: Overview and Applications Industrial gun-black plating additives are specialized chemical formulations used to create a durable, corrosion-resistant black oxide or phosphate coating on metal surfaces, particularly firearms and related components. This process enhances both functionality and aesthetics, providing a non-reflective matte finish that reduces glare while improving wear resistance. Composition and Mechanism Gun-black plating additives typically contain alkaline or acidic solutions that react with the metal substrate (usually steel or iron) to form a stable black oxide layer (Fe₃O₄). Common ingredients include: - Oxidizing agents (e.g., nitrates, nitrites) to accelerate the conversion of iron into magnetite. - Sealers or oils to enhance corrosion resistance post-treatment. - pH regulators to maintain bath stability and ensure consistent coating quality. The process involves immersing the metal in a heated bath (130–300°F) for a controlled duration, followed by rinsing and sealing. The result is a thin, adherent layer that minimally impacts dimensional tolerances. Key Benefits 1. Corrosion Resistance – The black oxide layer, when sealed, provides moderate protection against rust and environmental degradation. 2. Wear Resistance – The coating reduces friction and surface abrasion, extending component lifespan. 3. Aesthetic Appeal – Achieves a uniform, non-reflective black finish ideal for tactical and military applications. 4. Cost-Effectiveness – Compared to other plating methods (e.g., PVD or electroplating), black oxide is economical and requires minimal equipment. Applications Primarily used for: - Firearm barrels, bolts, and receivers. - Tools and machinery parts requiring low-light visibility. - Automotive and aerospace components where glare reduction is critical. Limitations - Not as corrosion-resistant as zinc or nickel plating unless sealed. - Limited to ferrous metals (steel, stainless steel with pretreatment). - Requires regular bath maintenance to prevent contamination. Conclusion Industrial gun-black plating additives offer a balance of performance, durability, and aesthetics for metal finishing. Proper application ensures enhanced functionality while meeting industry standards for firearms and precision components.
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FH-218 tin-nickel gun color
Category： Other conventional electroplating processesBrowse number： 24Number：Release time： 2025-09-20 17:31:01The FH-218 Tin-Nickel Gun Color plating additive is a high-performance electroplating solution developed by Shenzhen Xinfuhua Surface Technology Co., Ltd., a professional enterprise specializing in electroplating additives, production, sales, and technical R&D. Since 2005, we have been dedicated to providing innovative surface finishing solutions to industries worldwide. FH-218 is specifically designed for producing tin-nickel alloy coatings with a deep, uniform, and metallic gun-black color finish. It is widely used in decorative plating, functional protective coatings, and hardware finishing. The formulation ensures excellent corrosion resistance, stable performance, and long bath life, making it ideal for industries requiring reliable and aesthetic electroplating solutions.
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