Case study of mold release for molten metal: Coating that solved polypropylene stringing.
CHC (Ceramic Hard Coat)
Reduce thread pulling during thermal welding of PP with surface treatment technology! Achieve long mold life!
■Consultation In our customer's process of thermally welding polypropylene products, issues such as thread pulling and adhesion to the welding mold have arisen. The welding mold required not only release properties but also heat resistance and thermal durability. ■Background and Effects of Surface Treatment Selection Our company considered a hybrid approach of ceramic-based CHC and fluororesin-based low contact area coatings to enhance release effects and prolong the lifespan of mold exchanges. We proposed "CHC-1311," which balances thermal hardness and reduced contact area. Currently, our customers are using it to achieve both release properties and long lifespan. If you are having trouble with the release properties of welding molds, please consult Yoshida SKT.
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■CHC Ceramic Hard Coat A new type of fluoropolymer coating that achieves both non-stick properties equivalent to standard fluoropolymer coatings and high film hardness at elevated temperatures. 【Features】 - Non-stick properties equivalent to PTFE and PFA - High film hardness at temperatures above 200°C (compared to PTFE) *Based on internal testing
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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.
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