Suppressing the wetting spread on the nozzle outer surface and improving discharge accuracy.
In dispenser nozzles, the phenomenon of liquid spreading on the outer surface without breaking from the nozzle tip, known as "climbing," is a significant issue that can lead to reduced dispensing accuracy, liquid dripping, and stringing. This is particularly impactful in precision coating processes and electronic component manufacturing, where even slight dispensing defects can greatly affect quality and yield. This phenomenon is attributed to the high wettability of the nozzle's outer surface, and there are many cases where simply adjusting dispensing conditions or shapes does not lead to a fundamental solution. By applying NonStick STC to the nozzle tip, surface energy is reduced, which suppresses the spreading of the liquid. This improves the breakage of droplets and enables stable dispensing. It is also easy to apply as a post-processing method to existing nozzles, making it an effective approach for process improvement. For technical consultations and prototype verification, please feel free to contact us.
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basic information
NonStick STC is a thin film, non-stick coating that forms a low surface energy layer on the substrate surface. By chemically bonding fluoropolymer, it achieves high non-stick properties and durability. The film thickness is very thin, at less than 1μm, which minimizes the impact on nozzle shape and dimensional accuracy. Additionally, since it does not require blast treatment, it allows for functional enhancement while maintaining surface smoothness. By suppressing liquid adhesion and improving slip properties, it contributes to improved discharge stability and maintenance.
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Applications/Examples of results
- Dispenser nozzle - Precision coating device parts - Dripping nozzle for analytical instruments - Liquid dispensing device parts 【Effects】 - Suppression of liquid climbing - Improved discharge stability - Prevention of liquid dripping and stringing - Reduced cleaning frequency - Stabilization of 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.
