Surface treatment case: Coating that solved the stringing issue of polyethylene hot welding.
CHC (Ceramic Hard Coat)
CHC technology has succeeded in maintaining the non-stick properties of heat plates compared to conventional fluoropolymer coatings (PTFE coatings)!
■Customer Request We want to eliminate stringing that occurs on the heating plate during the thermal welding of polyethylene containers. We aim to reduce product defects caused by stringing without changing the takt time and to decrease the frequency of heating plate replacement. ■Conditions for Process Selection As a result of considering cost-effectiveness, we require a lifespan that is double that of the current coating. ■Achieved Effects By adopting CHC technology for the coating, we have successfully balanced release effect and lifespan. *You can download a PDF summarizing the product information. For more details, please contact us.
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■What is CHC Technology? CHC technology is a method that prevents the reduction of coating strength in high-temperature environments, which is a weakness of fluororesins, enhances durability, and maintains excellent release properties in environments above 200°C. ■Features - Non-stick properties equivalent to PTFE and PFA - High film hardness at temperatures above 200°C (compared to PTFE) *Based on internal testing ■Applications - Resin welding plates - Resin molding molds - Heater plates *For product details, please download the PDF or refer to the link below. *For more information, please contact us.
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■Achievements in Surface Treatment Adoption - Achievements in high-temperature release and high-temperature lifespan in the thermal welding process of filter cases - Achievements in sustaining the release effect from processing thermal welding plates for three times longer than PTFE coating - Achievements in solving the "peeling" and "blistering" issues of fluorine coating on resin welding plates - Achievements in eliminating adhesive adhesion and peeling at high temperatures that could not be resolved with PTFE coating
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To maximize the performance of manufacturing equipment and machine parts, Yoshida SKT derives the "optimal solution" tailored to our customers from hundreds of surface treatment technologies. - Decreased productivity due to adhesive troubles - Instability in product quality due to friction - Early deterioration of equipment due to corrosion We respond to these challenges in the manufacturing field with our extensive track record and reliable technical expertise. In 1963, we began fluoropolymer processing. In 1968, we signed a licensing agreement with DuPont (now Chemours), supporting manufacturing innovations for over 2,000 customers across various industries, from automotive to medical and aerospace. Furthermore, in 2024, we are focusing on the development of next-generation products, such as PFAS-free coatings, contributing to the advancement of sustainable manufacturing. With a three-base system in Nagoya, Tokyo, and Yamaguchi, we flexibly respond to both mass production and custom orders. Our consistent quality management system ensures that we deliver reliable quality. For solving challenges in the manufacturing field, trust the surface treatment experts at Yoshida SKT.
