55th Anniversary | Kyowa Rubber Co., Ltd. Strengthens Development of Ultra-Soft and Multi-Layer Molded Rubber to Solve Labor Shortages and High-Difficulty Molding Challenges

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Kyowa Rubber strengthens the development of ultra-soft and multi-layer molded rubber products.

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Kyowa Rubber strengthens the development of ultra-soft and multi-layer molded rubber products.

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Source: https://prtimes.jp/main/html/rd/p/000000005.000177064.html | Date: Date unavailable

Social Context Data The following challenges are progressing simultaneously at manufacturing sites: Deepening labor shortages Increased demand for high-performance and high-value-added products Increase in special specification projects that cannot be handled by general-purpose products Lack of rubber manufacturers capable of providing consistent support from prototyping to mass production Expanding needs for composite materials combining different substances Particularly in the field of industrial rubber products, there is a demand for more than just simple molding; requirements now include hardness design, composite materialization, mass production stability, and process labor-saving. Meanwhile, there are increasing reports that projects with difficult conditions are more likely to be rejected, leaving companies unable to find procurement sources. Structural Analysis of Challenges There are three main reasons why high-difficulty special rubber products are difficult to realize: 1. High difficulty in molding ultra-soft regions Generally, a hardness of around 30 degrees is considered a baseline for soft rubber. In regions lower than that, optimizing material design, mold design, and molding conditions becomes significantly more difficult. 2. Difficulty in integrating rubbers with different materials and hardness Integrally molding rubbers with different hardness levels and characteristics requires deep knowledge of interface design and molding conditions. Quality cannot be stabilized with only general-purpose capabilities. 3. Individual responsiveness required for composites with different materials When combining rubber with other materials such as water-expandable non-woven fabrics or metal fibers, it is often difficult to handle using only standard mass production equipment. It is common for such projects to stall at the prototyping stage. Product Definitions What is Ultra-Soft Rubber? Ultra-soft rubber refers to special rubber products designed and molded in a h

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