Sumitomo Bakelite reports three segments: semiconductor materials, high-performance plastics and quality-of-life products. Semiconductor materials include encapsulation materials, with production capacity being expanded in Suzhou, China, and Singapore. High-performance plastics cover phenolic resins, thermoset molding compounds, heat-dissipation sheets and aircraft interior materials and composite parts.
The company also makes films and sheets, such as P-Plus freshness-preserving films, and medical devices through SB-Kawasumi Laboratories, including gastrointestinal stents, micro-catheters, stent grafts, plastic blood bags, dialyzers and blood circuits. Founded in 1932, it is listed on the Tokyo Stock Exchange Prime Market and had 7,524 consolidated employees as of March 31, 2026.
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