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Auto flammability

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Description of key information

relative self-ignition: temperature > 600 °C 

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
600 °C

Additional information

Minimum ignition temperature of dust clouds:

Optiblanc ULD, dispersed as a power in the equipment at room pressure, was unflammable up to the maximum tested temperature of 600°C.

Layer ignition temperature:

Optiblanc ULD in powder was tested at room temperature (24 -25°C) at 0.39 g/cm3 and did not self-ignite up to the maximum surface tested temperature of 400°C.

Minimum ignition energy:

Optiblanc ULD has shown a

minimum ignition energy higher than 1000 mJ