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Explosion Limit of Graphite Dust

Graphite dust clouds have a minimum ignition energy of 9mJ, with the lowest ignition temperature being 520°C, and the maximum explosion pressure reaching 0.7723MPa.

graphite dust
The explosion index is measured at 27.3098MPa/s. At a concentration of 500g/m^3, both the explosion pressure and explosion index peak. The explosion lower limit concentration ranges between 40-50g/m^3.

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