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  6. Graphite sheet has about 4 times the thermal conductivity of copper and about 7 times that of aluminum!

Graphite sheet has about 4 times the thermal conductivity of copper and about 7 times that of aluminum!

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last updated:Oct 31, 2025

ショウワ
ショウワ
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For graphite processing, please consult with Showa, which has a proven track record!

"Graphite sheets" are lightweight materials with very high thermal conductivity in the plane direction. Our company provides products tailored to customer needs based on our extensive processing experience. We can also offer suggestions for powder/layer delamination measures. 【Applications】 ■ Thermal Conductive Materials Used as thermal conductive materials for efficiently conducting heat, such as cooling materials for electronic devices and semiconductor devices. ■ Vibration Damping Materials Used as vibration damping materials for machines and engines due to their ability to absorb vibrations. ■ Electrode Materials Excellent electrical conductivity makes them suitable for use as electrode materials in electrochemical devices such as batteries and fuel cells. ■ Heat Resistant Materials Graphite sheets have properties that withstand high temperatures, making them suitable for applications in high-temperature environments, such as insulation materials for high-temperature kilns and furnaces.

    Other polymer materials
スクリーンショット

Graphite sheet has about 4 times the thermal conductivity of copper and about 7 times that of aluminum!

スクリーンショット 2025-07-03 153508.png
スクリーンショット 2025-07-03 153508.png
  • Related Link - https://www.showa-osaka.co.jp/

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【Function of Graphite (Heat Dissipation Sheet)】 ■ Thermal conductivity in the plane direction (about 4 times that of copper, about 7 times that of aluminum) ■ Lightweight ■ Low water absorption ■ Electromagnetic wave shielding effect ■ Durability

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【Adoption Examples】 ■ Electronic devices (automotive, smartphones, handheld gaming consoles, laptops, etc.) ■ Module components (LCD, OLED, etc.) ■ Other applications include heat dissipation, heat radiation, hotspot mitigation, and temperature uniformity, among others.

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Graphite sheet

Graphite sheet

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Product Introduction: Graphite Sheet

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"Graphite" is a lightweight material with very high thermal conductivity in the plane direction. Our company, based on extensive processing experience, is able to solve various challenges related to graphite sheets and provide products tailored to customer needs. For powder/layer delamination measures, we can propose suitable double-sided tape and auxiliary materials based on our numerous processing achievements. In addition to roll-to-roll processing, we also have production equipment that can continuously process graphite sheets into the required shapes, transport them in sheet form, and laminate them, in order to minimize material loss. [Functions of Graphite (Heat Dissipation Sheet)] - Thermal conductivity in the plane direction (about 4 times that of copper, about 7 times that of aluminum) - Lightweight - Flexibility - Low water absorption - Electromagnetic wave shielding effect More detailed information is available from related products and catalogs.

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ショウワ

ショウワ

Manufacturing and processing contract

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Showa Corporation is a company that develops various businesses, including resin washers, heat dissipation component processing, and special molding processing. In particular, regarding resin washers, which have been processed since the company's founding, we have approximately 800 molds in-house. If we have the desired size or a similar size in our molds, there is no mold cost. We can handle processing from prototypes of a single product to mass production of hundreds of thousands of units. We also have machines such as plotters and super cutters that can process without initial costs, and we can propose processing methods and materials according to customer requests. As part of our BCP response and technology development, we have newly established Showa R&D Center Co., Ltd. in Okayama Prefecture. We will continue to leverage the experience and know-how we have cultivated to challenge new processing and fields.

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