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Novelty in thermal field: Graphite Sheet
Supreme thermal conductivity, bendable and customizable shapes
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Trade war between the US and China has intensified and escalates to another level. Rare earths, which China accounts for more than 90% of global production, might be the next strategic tactic as a fightback to the US. In thermal management, a hidden gem “graphite sheet ”, as well, comes from the natural resources “Carbon”, of which is very thin, lightweight, soft, bendable, and offers high thermal conductivity and low thermal resistance.
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Graphite sheet has a unique honeycomb structure that allows thermal transfer in two directions and diffuses rapidly.
Its layered structure, which is soft and withstands repeated bending, can be well adapted to any surface shielding the heat source and the components while improving the performance of electronic products.
Graphite sheet has different thickness in µm (µm = micrometer, 1µm= 0.001mm), Zaward offers product in in 21µm(=0.021mm) and 25µm(=0.025mm).
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It owns supreme thermal conductivity, 2 to 4 times higher than copper, 3 to 7 times better than aluminium and 10 times than stainless. It also combines very well with metal, plastic, stickers and other materials to meet the design features and needs.
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The weight of graphite is 25% lighter than aluminium and 75% lighter copper due to its characteristic of low density 2.15g/cm3, 2.70g/cm3 of aluminium and 8.96 g/cm3 of copper respectively. Thermal resistance is 40% lower than aluminium and 20% lower than copper and heat resistance up to 400c. Lightweight and large specific surface area, make it the suitable material to be used in thermal management.
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Application
Graphite sheets can be used to transfer away heat and as thermal interface in space-limited areas. It can be cut into customizable shapes without wastes. It is anisotropic, meaning it is much more thermally conductive in-plane than through-plane, as well as flexible. With its lightweight and compact format, it is widely used in space-limited devices such as PDP, LCD TV, Notebook PC, Flat Panel Display, Mobile Phone, Projector, Power Supply, LED and electronic products.
In addition to graphite sheets, Zaward provides comprehensive product lines of thermal solutions. From DC/AC fan, diversified processes of heat sinks, to peripheral components such as heat pipes, fan guards, and thermal pads. We are always well prepared to solve any cooling issues with our best passion for customers worldwide.
For more product details, please feel free to visit our website. Any inquiries about thermal solutions are welcome. If you have any questions, please contact us. Any topics you want to know more about, share your thoughts with us.
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With best regards,
ZAWARD CORPORATION
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Carmen Chen/ Managing Director
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