# Expandable graphite

Expandable graphite (precursor) treated to expand with heat — seals, fire retardants and laminated compounds. Commercial line GRAFITINO/EX.

Source: https://esgraf.com/en/materials/graphite-powders/expandable

## What is expandable graphite?

A mineral-origin material treated to **expand with heat**. Used when the design needs thermal expansion — seals, retardants, laminated compounds and fire protection.

ESGRAF commercial line: **GRAFITINO/EX**.

### Applications

- Gaskets and packing
- Chimney seals
- Fire protection
- Laminated compounds

Confirm mesh, carbon content, moisture and ash for the grade. Expansion ratio and onset temperature are confirmed at quote time.

For **already expanded / pre-expanded** material, see [pre-expanded graphite (GRAFITINO/PX)](https://esgraf.com/en/materials/graphite-powders/expanded).

## Quote information

Share application, mesh or particle size, required carbon content and estimated consumption.

## Technical properties

| Property | Value |
| --- | --- |
| Fixed carbon | 90–95 % |
| Ash | 2–8 % |
| Uses | Seals, retardants, laminated compounds |
| Also in | Fire protection, packing |