PI has excellent properties such as high heat resistance, low thermal expansion rate, and dielectric strength! There is a track record of processing for EV batteries and more.
Devices that operate on electricity require insulation measures, and resin materials used for insulation include PI (polyimide), PEN, and PPS. Among these, PI is particularly notable for its excellent properties such as high heat resistance, low thermal expansion rate, dielectric strength, and chemical resistance, making it suitable for a wide range of products including FPCs, heat-resistant masking tapes, release agents for heat press machines, semiconductor manufacturing processes, and connectors. Our company has various processing achievements in areas such as smartphone batteries, EV batteries, and fuel cells. [Main Processing Achievements] ■ Information and Communication: Smartphone batteries ■ Automotive: EV batteries ■ Energy: Insulation sheets for fuel cells and all-solid-state batteries *For more details, please refer to the PDF materials or feel free to contact us.
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OTIS Co., Ltd. is a manufacturer specializing in press processing and lamination of film and tape products. Under our slogan, "Micro Technology, Macro Impact," our mission is to create film and tape products that drive progress across every industry, with our outstanding press processing technology at the core, and to enhance the value of our customers' products. With our core manufacturing functions based in Okayama and a sales contact in Tokyo, we also operate overseas bases in Hong Kong, China (Qingdao and Dongguan), and Thailand. This global production network enables us to deliver consistent quality and a stable supply both in Japan and abroad. We have a proven track record across a wide range of industries, including smartphones and information devices, batteries and energy, EVs and automotive components, home appliances and amusement, and medical and healthcare. We take a proactive, solution-oriented approach from the prototype stage, even for difficult-to-process materials and components requiring high precision. In 2026, our company was featured in FORTUNE magazine, drawing attention both in Japan and internationally. If you are looking for a partner who can process your film, please feel free to contact us.
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