Graphite Carbon Sheet
Overview
Graphite Carbon Sheet is a high-performance material derived from natural or synthetic graphite. It is processed into thin, flexible sheets that retain the inherent properties of graphite, such as excellent thermal and electrical conductivity. The material is widely used in industries requiring efficient heat dissipation and electrical conduction. Graphite Carbon Sheets are known for their lightweight and durability, making them suitable for demanding applications. They are often used as thermal interface materials, gaskets, and components in electronic devices, fuel cells, and aerospace systems.
Physical and Chemical Properties
Graphite Carbon Sheets exhibit exceptional thermal conductivity, often ranging between 300-1500 W/mK, depending on the grade and purity. They also possess high electrical conductivity, making them ideal for applications where both heat and electricity management are critical. The material is chemically inert, resisting most acids, alkalis, and organic solvents. Its layered structure provides flexibility, allowing it to conform to uneven surfaces. The sheets are also lightweight, with a density typically between 1.5-2.0 g/cm³, and can withstand extreme temperatures up to 3000°C in inert atmospheres.
Main Applications
Graphite Carbon Sheets are extensively used in electronics for thermal management, such as in heat sinks, LED lighting, and laptop cooling systems. Their ability to dissipate heat efficiently makes them indispensable in high-power electronic devices. In the energy sector, these sheets are used in fuel cells and batteries as conductive layers or separators. The aerospace industry utilizes them for lightweight, high-strength components. Additionally, they serve as gaskets and seals in chemical processing equipment due to their chemical resistance.
Safety and Storage
While Graphite Carbon Sheets are generally non-toxic, handling them may generate fine dust particles that can cause respiratory irritation. It is advisable to use protective equipment, such as masks and gloves, during cutting or machining. Storage should be in a dry, cool environment to prevent oxidation. The sheets should be kept away from strong oxidizing agents to maintain their integrity. Proper packaging, such as vacuum-sealed bags, can extend shelf life and prevent contamination.
B2B Procurement Guide
When procuring Graphite Carbon Sheets, specify key parameters such as thickness, purity, and dimensions to ensure the material meets your application requirements. Thickness typically ranges from 0.1 mm to several millimeters, with purity levels varying from 95% to 99.9%. Verify supplier certifications, such as ISO or RoHS compliance, to guarantee quality. Bulk purchases may offer cost savings, but ensure the supplier can meet consistent quality standards. Lead times and minimum order quantities should also be confirmed to align with project timelines.
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