Niufos plating baking! A treatment that improves not only hardness but also corrosion resistance.
This is a Ni-W-P plating performed using an electroless plating method. (It is a ternary alloy of nickel, tungsten, and phosphorus.) It has superior chemical resistance compared to general electroless plating, and its surface is passivated. The passivated film also provides excellent release properties for molded resin products such as rubber. It exhibits excellent chemical resistance against acids like hydrofluoric acid, sulfuric acid, hydrochloric acid, and alkaline substances such as amines. It is not affected by chlorine-based resins. Additionally, its performance is maintained even at high temperatures. It is used for molds made of fluorine rubber, and there are cases where release agents are not used. **Features** - Excellent uniformity of film thickness, allowing plating on cylindrical inner diameters. - Superior release properties compared to industrial chrome plating, with hardness equivalent to industrial chrome. - Performance such as hardness is maintained even at high temperatures. - Does not use environmental regulated substances like heavy metals. *For more details, please download the PDF or feel free to contact us.*
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basic information
**Characteristics** ● Corrosion resistance: No corrosion of the base material is observed even after 1000 hours in a salt spray test. ● Hardness: Approximately 580 HV in the as-deposited state, but can reach about 800 HV after heat treatment. ● Material: Treatment is possible on various materials. Please consult us for details. ● Reprocessability: Reprocessing is possible without damaging the base material, even for steel and copper alloys, by stripping the plating. *For more details, please download the PDF or feel free to contact us.*
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Applications/Examples of results
【Applications】 - Screws for PTFE injection molding, molds for PVC and epoxy resin molding, etc. - Rubber molding molds - Resin molding molds with GF (glass filler) - Extending the lifespan of molds made from BeCu (beryllium copper) alloy - Rubber molding molds for peroxide curing, etc. *For more details, please download the PDF or feel free to contact us.
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Company information
Asahi Precision Co., Ltd. has a purchasing department primarily focused on the processing of precision equipment parts (from ordering parts and materials to processing and assembly) and a surface treatment department that performs plating. In the surface treatment department, we are committed to improving our technical capabilities without compromise, and in recent years, we have received awards such as the Kansai Monozukuri Shin-sen 2017, 2018, and the Kyoto Small and Medium Enterprises Technology Excellence Award 2018. To meet various needs, we are continuously working on the development of original plating technologies that are not available from other companies, and we currently offer over 15 types of special surface treatments. We leverage our unique "technical capabilities" and "know-how" as strengths, and we have established a production system primarily based on plating technicians. Furthermore, we have obtained ISO 14001 certification and are advancing environmentally conscious technology development as part of our management system.