Difference between flake graphite and expandable graphite

Release Date:

2020-03-29


Flake graphite is a type of natural graphite. After mining and purification, it generally appears in a fish-scale shape, hence the name flake graphite. Expandable graphite is flake graphite that has undergone acid washing and intercalation treatment, expanding about 300 times compared to its original graphite state. It can be used as raw material for coiled materials and flexible graphite. Below, let me introduce you to the differences between flake graphite and expandable graphite in detail:

Flake Graphite It is a type of natural graphite. After being mined and purified, its general form is scaly, hence the name flake graphite. Expandable graphite is flake graphite that has been acid-washed and intercalated, expanding approximately 300 times compared to the original graphite. It can be used as raw material for coiled materials and flexible graphite. Below, let's have the editor provide a detailed introduction to the differences between flake graphite and expandable graphite:
1. Flake graphite has a wider range of uses than expandable graphite
In industrial production, in addition to possessing the functions of expandable graphite, flake graphite's conductivity, thermal conductivity, lubricity, etc., are much better than expandable graphite. Therefore, its practical applications in industry are much more extensive.
2. Different production processes for flake graphite and expandable graphite
Flake graphite is mainly produced through mechanical damage and grinding. Expandable graphite is mainly produced through processing methods such as chemical acid liquid immersion, and its production process is more complex than that of flake graphite.
3. Flake Graphite Smaller particle size than expandable graphite
Flake graphite generally has a finer processed particle size, while expandable graphite has a coarser particle size. Due to the expansion properties of expandable graphite, a coarser particle size easily promotes graphite expansion, so expandable graphite has a coarser particle size.
Since its establishment, Qingdao Jinhui Graphite Co., Ltd. has upheld the philosophy of efficiency and integrity, prioritizing customers, and dedicating itself to the production and sales of high-quality flake graphite products. It strives to build a well-known brand in the graphite industry, having consecutively won awards such as


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