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Energy & Functional Materials Sector

Sumitomo Chemical provides a wide variety of functional chemical products that contribute to reducing the environmental impact as well as to conserving energy and natural resources. Such products include alumina and aluminum used for energy-efficient products, high-performance polymer additives and rubber chemicals, as well as super engineering plastics and lithium-ion secondary battery materials used in electronic components and next-generation vehicles.


Products made using alumina and alumina powder

We supply specialty alumina such as low-soda alumina and alumina with a purity of over 99.99%. Low-soda alumina is used for IC packages and automobile spark plugs.
High-purity alumina is used for lithium-ion secondary battery materials and ceramic parts of semiconductor manufacturing equipment.

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Aluminum ingots

We import aluminum ingots produced by our aluminum development projects in New Zealand, Australia, and Brazil, and provide a stable supply in Japan. Our high-purity (99.99% or higher) aluminum is used in highly functional products, such as aluminum foils for electrolytic capacitors, liquid crystal displays, and wiring materials for semiconductors.

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This material is used in the manufacture of tires, wood adhesives, flame retardants, and ultraviolet ray absorbants.

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Synthetic Rubber

A tire made using synthetic rubber

Synthetic rubbers exhibit a variety of outstanding characteristics, including elasticity, oil and weather resistance and anti-wear properties. In addition to automotive parts such as tires, window and door seals, hoses, and gaskets and bushings. Synthetic rubbers also find uses in construction materials, shoes and other applications.

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Super Engineering Plastics

Super engineering plastics

Super engineering plastics are high-performance resins that have excellent heat resistance, strength, chemical resistance, and processability. As materials that meet the needs for lighter and finer articles, super engineering plastics include liquid crystalline polymer, which is used in the manufacture of electrical and electronic products and is expanding into applications in the industry and automobile areas, and polyethersulfone, which, in addition to electrical and electronics applications, is also being used as a carbon fiber composite in aircraft, as a high-performance separation membrane material, and as a heat-resistant coating.

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Lithium-ion secondary battery materials

Separator "PERVIO™"

A lithium-ion secondary battery comprises a cathode, an anode, and a separator that electrically insulates these two sheets from one another to prevent a short circuit. Sumitomo Chemical is expanding its business in separators and cathode materials.

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