Ultra-thin film coating for molds below 1µm | Improved release properties with dimensional and mirror surface maintenance.
NonStick STC
Eliminate residuals and resin adhesion on precision molds! Maintain edges and mirror surfaces with blast-free application! Achieve high precision release properties with ultra-thin films of less than 1µm.
This is a technical case study on the application of our uniquely developed non-stick thin film coating "NonStick STC" for precision molds used in the manufacturing of automotive parts, electronic components, and medical devices, as well as for press molds. For micro connector molds with extremely tight dimensional tolerances, press molds that require sharp edges, and movable and release parts such as slide cores, we form an ultra-thin release layer without compromising the inherent precision of the mold. **Main Benefits of Implementation** - **Complete Maintenance of Mold Precision and Mirror Finish** The ultra-thin film with a thickness of less than 1µm can be applied without blasting (no substrate treatment required). It can coat surfaces with a mirror finish, maintaining surface roughness, cavity dimensional accuracy, and sharp corners. - **Prevention of Resin Residue, Deformation, and Debris Adhesion** With excellent non-stick properties, the release of molten resin is dramatically improved. It eliminates product deformation during release and prevents issues with resin debris adhesion. - **Reduction of Tact Time and Extension of Maintenance Cycle** Smoother release operations shorten the molding cycle. It suppresses the adhesion of gas components, tar, and scale, reducing line stoppages associated with mold cleaning.
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【Construction Technology】 Ultra-thin Film Non-Stick Coating "NonStick STC" 【Technical Features and Functions】 ● Ultra-thin film specification (thickness less than 1µm) An ultra-thin film that does not change geometric tolerances, fine patterns, or precision clearances. ● Blast-free film formation No substrate treatment such as sandblasting is required. Maintains precision polished surfaces and sharp edges (corners). ● Outstanding non-stick properties (release properties) Physically prevents adhesion of resin and gas tar with surface characteristics that surpass fluororesins. ● Transparent thin film finish Finishing that does not compromise the aesthetics, engravings, scales, or mirror finish of metal surfaces. 【Target Substrates and Applicable Parts】 ● Precision resin molding molds (for fine connectors, optical and medical parts) ● Press molding molds, slide cores, inserts, extrusion and ejector pins ● Various precision jigs and cavity parts in resin and rubber molding.
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**Main Application Areas and Uses** ● Precision Electronics and Connectors Improvement of release properties for fine pitch connector molds, pins, and core inserts. ● Automotive and Engineering Plastics Molding Countermeasures against adhesion of resin with glass fibers, such as stickiness, tar, and scale. ● Medical Devices and Optical Components Molds for resin forming that require aesthetic design and high surface finish (mirror-like quality). **Problem-Solving Case Studies** ● Issue In resin molding molds for fine electronic components with strict dimensional tolerances in the micron range, issues such as "mold residue" and "adhesion of resin debris" were occurring. Conventional fluorine coatings caused dimensional deviations due to film thickness (tens of micrometers), and the mirror surface and sharp edges of the mold were compromised during surface treatment, making it difficult to apply. ● After Implementation Direct application of ultra-thin film coating "NonStick STC" to the mold surface. ● Effects and Achievements - Provided excellent release properties without compromising the dimensional accuracy or edge shape of the mold. - Resolved issues of resin residue and molding defects (deformation), stabilizing the quality of molded products. - Significantly reduced the frequency of mold maintenance by drastically decreasing the adhesion of tar and resin debris.
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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.
