Heat rivet thread pulling and resin debris prevention! High durability fluorine resin coating.
"Improve yield reduction" Shut out the adhesion of molten resin with excellent non-stick properties! Prevent appearance defects in lenses and achieve stable continuous production.
In the "thermal crimping" process, which does not use adhesives for fixing lenses to resin tubes, the manufacturing site suffers from appearance defects and reduced yield due to "stringing of molten resin" and "adhesion of resin debris to jigs." When resin adheres and accumulates on the surface of the jig due to heating and pressurization during crimping, the detached resin debris can stick to the product, causing critical quality issues. Even release coatings designed to prevent these problems become meaningless if they wear out or degrade prematurely due to high-temperature and high-load thermal cycles. Our high-durability fluoropolymer coating "Thermo Pro Release" is a surface treatment solution that achieves the highest level of "non-stick (release)" and "wear resistance" against molten resin. ■ Benefits in terms of quality - Thorough prevention of stringing and adhesion Excellent slip and release properties ensure smooth separation of the jig after thermal crimping. - Dramatic improvement in yield Prevents the accumulation of resin debris, significantly reducing appearance defects in products. - Long-lasting performance The coating is resistant to wear even in high-load environments, maintaining its high release performance over an extended period.
basic information
**Product Name** High-Durability Fluororesin Coating "Thermo Pro Release" **Technical Features Contributing to Quality Improvement** ■ Optimal Coating Design through In-House Formulation The paint formulation is customized according to the resin used (from general plastics to engineering plastics) and the operating temperature. ■ Strong Adhesion of Coating Film Achieves robust adhesion that withstands repeated thermal and physical loads at high temperatures. ■ Excellent Heat Resistance and Non-Stick Properties Suppresses the phenomenon of molten resin being pulled by the jig, maintaining a sharp riveting shape. **Pre-Verification that Reproduces Actual Processes** Our company is equipped with a "Unique Release Performance Evaluation Testing Machine" specifically for thermal welding and thermal riveting. This allows for pre-testing and evaluation of release properties and durability according to actual manufacturing conditions (setting temperature, pressing load, contact time, deformation amount, etc.), ensuring reliable quality improvement. **Applicable Fields** Can be applied to heating molds and jigs where resin adhesion is an issue, including thermal riveting jigs, heating plates, and jigs for insert molding.
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Model number/Brand name
Thermo Pro Release
Applications/Examples of results
【Applicable Issues】 ■ During thermal riveting, the resin stretches and causes "stringing," resulting in appearance defects. ■ Resin debris that has adhered to the surface of the jig periodically peels off and contaminates the product. ■ Conventional fluoropolymer coatings peel off within a few days (several thousand shots) due to heat and load. 【Examples of Implementation Results】 ■ Manufacturer of precision optical equipment (lens units) ・Issue: High appearance defect rate of lenses due to resin adhesion and stringing on thermal riveting jigs, with conventional coatings losing release properties after several hundred shots, leading to frequent jig replacements. ・Countermeasure: Change to "Thermo Pro Release" application and selection of optimal conditions through evaluation testing. ・Results: The separation of resin after riveting significantly improved, drastically reducing stringing and appearance defects. Additionally, the durability of the jigs increased 5 to 20 times compared to conventional methods, enabling continuous mass production of high-quality products without stopping the line.
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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.