The high temperature graphite material refers to graphite that can withstand temperatures above 950°F / 510°C up to 5400°F / 2982°C. Graphite is a soft, slippery, greyish-black material that has a metallic luster. It is opaque to light and is a good conductor of electricity and heat. When heated up to 3000°C, graphite's properties are enhanced, making it suitable for high temperature applications. Graphite is commonly used in various industries such as automotive, where it is used for manufacturing brakes, clutch facings, mechanical seals, brake linings, friction components, engine parts, and even as a substitute for aluminum or steel in car frames.
High-temperature graphite furnaces, specifically the High-temperature Graphite (HTG) Furnace, are designed for processes that require temperatures above 2500°C in a carbon-containing environment. These furnaces have hot zones made entirely from high purity graphite, which allows for rapid heating and cooling and reduces overall process cycles. The hot zone has a long operating life and can be easily replaced in the field if needed.
Graphite heating elements are manufactured from a high purity carbon composite, providing excellent temperature uniformity, longevity, mechanical strength, and repeatability. They use rounded edges and proper gap spacing to minimize gas ionization at elevated temperatures, increasing life expectancy and maximum obtainable temperatures.
In addition to furnaces, there are also vacuum graphite furnaces that can operate at temperatures up to 3000°C in an inert gas or 2200°C in a vacuum. These furnaces are used for high-temperature sintering and heat treatment processes.
Graphite is a desirable material for high-temperature applications due to its thermal properties and chemical resistance. It has a high level of thermal efficiency, low density, reduced weight, and modest thermal capacity. These properties make it suitable for creating ideal black body conditions inside heating chambers, resulting in high uniformity during high-temperature treatments.
Overall, high temperature graphite materials are crucial in various industries that require materials capable of withstanding extreme temperatures. Graphite's unique properties make it an excellent choice for high-temperature applications.
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