High Pure Graphite Bolts

High pure graphite bolts occupy an important position in many high-end industrial scenarios. This is mainly due to the high purity, high temperature resistance, excellent electrical and thermal conductivity, corrosion resistance and self-lubrication of carbon graphite bolts, which makes them perform well in extreme environments.

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Products Description

In semiconductor processes such as wafer processing and thin film deposition, graphite bolts are often used to fix vacuum chambers, heaters and carriers. The high purity of graphite bolts prevents impurities from volatilizing and contaminating silicon wafers at high temperatures, and its conductivity can evenly distribute current and ensure process stability. Graphite bolts can also be used in CVD equipment in the photovoltaic field. Its excellent corrosion resistance can ensure long-term sealing of thin film deposition equipment.

In high-temperature equipment (such as metallurgical continuous casting machines, glass melting furnaces, etc.), continuous operation at temperatures above 800°C is often required, and traditional metal bolts are prone to failure. High-purity graphite bolts have a low thermal expansion coefficient and are resistant to high temperatures, so their use can effectively maintain the stability of the high-temperature furnace structure and avoid sealing failure caused by thermal stress.

In chemical corrosion environments, high pure graphite bolts have become important components in the chlor-alkali industry, lithium battery electrolyte production line and other scenarios due to their excellent acid and alkali corrosion resistance, and help extend the equipment maintenance cycle.

In addition, high pure graphite bolts are also often used in various vacuum systems. Their excellent self-lubricating properties avoid particulate contamination caused by metal friction, while their low outgassing rate ensures the maintenance of high vacuum.