Gasket is a mechanical seal between two objects.

Gaskets can be divided into non-metallic gaskets, metal gaskets, and metal-nonmetal composite gaskets according to their material and structural characteristics, and each type can be subdivided into several types.

The sealing material should meet the requirements of the sealing function.

Flexible graphite gasket is punched or cut from pure graphite plate.

Flexible graphite, also known as expanded graphite, uses scale graphite as raw material and undergoes chemical treatment to produce interlayer compounds.

Several classification methods of sealing materials.