Differences between Expandable Graphite, Expanded Graphite, and Expanded Graphite powder

Expandable graphite, expanded graphite, and expanded graphite powder are related terms that refer to different forms of graphite material that have been treated to have unique properties. Here's a breakdown of the differences between them:

Expandable graphite: This is a type of graphite that has been treated with chemicals, usually an acid or intercalating agent, which causes it to expand when heated. The resulting material is a foam-like structure with a high surface area and excellent thermal conductivity. Expandable graphite is often used as a flame retardant, as the expansion process creates a barrier that can slow or prevent the spread of flames.

Expanded graphite: This is a form of graphite that has been heated to a high temperature, causing it to expand and form a three-dimensional structure. The resulting material has a low density and high surface area, which makes it useful for a variety of applications, including as a lubricant, thermal insulator, and electrical conductor.

Expanded graphite powder: This is a fine powder that is produced by grinding or milling expanded graphite. It has a high surface area and can be used as a filler or additive in various materials, including plastics, composites, and coatings. Expanded graphite powder is also used as a raw material for the production of other graphite products, such as graphite foil and graphite sheets.

In summary, expandable graphite is a type of graphite that expands when heated, expanded graphite is graphite that has already been expanded, and expanded graphite powder is a fine powder made from expanded graphite.