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Physical & Chemical properties

Flammability

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Description of key information

Aluminium metal as a solid is not known to be flammable.

Aluminium powder may be highly flammable.

Key value for chemical safety assessment

Flammability:
flammable

Additional information

Based on industrial uses of aluminium metal as a solid, its chemical structure, and known physical-chemical properties, the solid form is not known to be flammable.

Aluminium powder may be highly flammable depending on particle size and shape.

Each product needs to be tested and classified according to test results.

Flammability additional key value for CSA: non flammable

 

Justification for classification or non-classification

Substance is classified as A.1 (non-combustible material) in EN 13501 -1:2003 (fire classification of construction products and building elements) and classified (not combustible) for flammability by the National Fire Protection Association (NFPA).

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