Dust entry

Additive-manufacturing powder

Powdered materials handled during powder-bed fusion and other additive-manufacturing processes.

Airborne form

dust

The form describes what is suspended in air at the point of exposure. A material can produce more than one form, such as dust during handling and fume during heating.

Health effects

inhalation exposure hazardrespiratory irritation concerndermal exposure hazardcombustible-dust hazard

Evidence

NIOSH states that additive manufacturing can involve inhalation of materials used in powdered form, dermal exposure to powdered hazardous materials, and fire or explosion hazards from flammable or combustible substances.

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Potential hazards · 1

Inhalation of materials used in powdered form may occur ... Dermal exposure to powdered and liquid hazardous materials ... Risk of fire or explosion from flammable or combustible substances.

Controls

powder containment
ventilated enclosure
HEPA-filtered local exhaust ventilation
wet or vacuum cleaning
exposure assessment
appropriate respiratory protection