Producer
Showa Denko Materials (KH Neochem)
Japanese electronics materials company (merged with Hitachi Chemical 2020 to form Showa Denko Materials, rebranded as KH Neochem/Resonac 2023); produces cerium-based polishing powders for electrical equipment and semiconductor applications. Announced ¥500 million investment to expand cerium polishing powder capacity (targeted at precision glass, display panels, semiconductor substrates). Part of Japan's advanced materials sector; same company produces semiconductor CMP slurries and electronic chemicals.
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Cerium & Glass Polishing Compounds
15%Semiconductor Materials (CMP & Chemicals)
35%Carbon & Graphite Products
25%Advanced Electronic Materials
25%
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Did you know2023
Resonac (Showa Denko Materials) simultaneously supplies graphite electrodes for steel production (including the electric arc furnace steel that makes automotive and construction steel), CMP slurries and electronic chemicals for semiconductor manufacturing, and cerium polishing compounds for precision glass and display panels. The same Japanese holding company is simultaneously critical infrastructure for the steel industry, the chip industry, and the glass/display industry -- three manufacturing sectors with entirely separate procurement organizations and supply chain monitoring frameworks. Resonac's graphite electrode business (Showa Denko Carbon heritage) also competes with Chinese graphite electrode producers in a market that has experienced significant price volatility tied to Chinese production policy. When Chinese graphite policy changes, Resonac's steel and semiconductor customers are both affected through the same company's supply position.
Resonac Holdings Corporation ↗Origin2023
Resonac Holdings (the 2023 rebrand of Showa Denko Materials) was created by the 2020 merger of Showa Denko K.K. (a 1939 Japanese industrial chemicals company that grew from electrochemical and aluminum production) and Hitachi Chemical (a 1962 spinoff from Hitachi that specialized in electronics-grade chemicals and PCB substrates). The merger was driven by the logic that both companies needed scale to invest in advanced materials for semiconductor and EV applications. Showa Denko brought graphite electrodes (used in steel production), carbon black, and specialty chemicals; Hitachi Chemical brought semiconductor bonding films, PCB materials, and electronic specialty chemicals. The combined entity's cerium polishing powder business is a relatively small segment -- but its ¥500M capacity expansion reflects Japanese industrial material companies' recognition that non-Chinese cerium processing is becoming strategically valuable as China controls ~90% of rare earth separation.
Resonac Holdings Corporation ↗