Dramatic improvement in liquid leakage! PFA coating for SUS punching and mesh baskets.
Fluororesin coating
【Liquid Transport & Contamination Reduction】Provides excellent corrosion resistance and super hydrophobicity. With a uniform coating free of pinholes, it solves corrosion of mesh baskets and liquid management costs!
In metal etching and chemical treatment processes, cleaning and transport mesh baskets exposed to harsh chemicals such as strong acids and strong alkalis, even if made of stainless steel (SUS), are prone to corrosion and leaching of metal components due to repeated use, posing a risk of metal contamination in the products. This technology provides a surface treatment solution that applies fluororesin (PFA) to stainless steel mesh baskets with a complex woven structure to address these challenges in manufacturing environments. ■ Technical Features - It forms a thick anti-corrosion and release layer without pinholes, reaching the intersections of the mesh and fine gaps. - The superior chemical resistance of PFA completely isolates the metal substrate from the chemicals. - The extremely high water and oil repellency unique to fluororesins dramatically improves the "drainage" of liquids from the basket surface. ■ Implementation Benefits - It prevents corrosion of the baskets over the long term, contributing to the longevity of the equipment. - It minimizes the residual adhesion of chemicals during lifting, significantly reducing carryover to the next process.
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basic information
【Processing Technology】 Contract Fluororesin Coating (PFA) 【Coating Characteristics】 ■ Outstanding Corrosion and Chemical Resistance Compatible with all harsh chemicals including strong acids, strong alkalis, and organic solvents. ■ Excellent Water and Oil Repellency Extremely high water contact angle and low surface energy provide exceptional liquid runoff. ■ Precision Molding Without Pinholes Uniformly follows even the intersections of mesh baskets, fine gaps, and welded areas without any spaces. 【Base Materials (Target Materials)】 ■ Metal mesh baskets, fixtures, and tank inner surfaces made of stainless steel (SUS304, SUS316, etc.), titanium, steel, and other metals. 【Safety and Quality】 ■ Prevention of Metal Contamination: Thoroughly shuts out the leaching of metal ions from the base material. * We are flexible in providing maintenance through "stripping and recoating" for baskets that have experienced wear and deterioration of the coating after years of use, as well as for new mesh baskets. We will propose optimal film thickness design based on the shape of your fixtures and the usage environment (type of chemicals and temperature).
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Applications/Examples of results
【Main Uses】 ■ Etching and chemical treatment baskets for various metal parts, semiconductor parts, and electronic components ■ Cleaning and transport baskets and jigs for plating processes and surface treatment lines ■ Parts and internal coatings for industrial automatic cleaning equipment using chemical agents, solvents, or pure water 【Examples of Implementation】 ■ Applied to surface treatment (chemical treatment) lines for precision metal parts. ・Before implementation: Stainless steel cleaning baskets were gradually corroding due to strong acidic solutions, leading to regular replacement costs for the baskets. Additionally, the chemical solution remained at the intersections of the mesh, moving to the next water washing tank, resulting in significant "out-of-tank loss" of expensive chemicals, and causing contamination of the washing tank (requiring early replacement of cleaning water) and increased liquid management costs. ・After implementation: The application of PFA coating completely stopped the corrosion of the baskets, dramatically extending their lifespan. Furthermore, the excellent water-repellent properties significantly improved liquid drainage during lifting, successfully reducing the amount of chemicals carried out. This led to simultaneous reductions in the replenishment costs of expensive chemicals and the water washing costs for subsequent processes (utilities and waste liquid processing labor). Contamination risks were also eliminated, achieving stabilization of product quality.
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Company information
Nikken Coating Industry Co., Ltd. has been a specialized manufacturer of functional coatings for contract processing, earning the trust of customers across various industries for 79 years since its founding. We leverage our processing technology to maximize the properties of fluororesins, such as non-stick, lubricity, and chemical resistance, providing high-performance coatings that directly address customer challenges, including "Thermo Pro Release" for thermal welding processes and "NonStick STC" for blades and precision molds. In recent years, in response to movements regarding regulations on fluorinated compounds (PFAS), "PEEK resin," which is gaining attention as a substitute for fluororesins, has become a focus. Nikken Coating Industry commercialized the world's first PEEK resin coating, "PEEKCOAT," in 1999. Based on the solid knowledge and know-how accumulated over more than 20 years, we are further intensifying our research and development efforts to explore the potential of next-generation PEEK coatings! We aim to be recognized as "the go-to for PEEK coatings" and will continue to lead the way. As "the best partner for functional coatings that builds trust through technology," Nikken Coating Industry will continue to contribute to the creation of high-quality, high-performance products.
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