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Tungsten dust

Fine tungsten particulate generated during powder handling, machining, or processing of tungsten and insoluble tungsten compounds.

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

eye irritationskin irritationrespiratory-system irritationdiffuse pulmonary fibrosiscoughblood changescombustible dust hazard

Evidence

The current NIOSH Pocket Guide sets tungsten exposure limits at a 5 mg/m³ time-weighted average and 10 mg/m³ short-term limit, identifies inhalation, ingestion, and skin or eye contact routes, and reports respiratory irritation, diffuse pulmonary fibrosis, cough, and blood changes.

Source: html ↗ · saved source
Exposure Limits; Physical Description; Exposure Routes; Symptoms; Target Organs · 1
NIOSH REL TWA 5 mg/m³ ST 10 mg/m³. Physical Description Hard, brittle, steel-gray to tin-white solid. Combustible in the form of finely divided powder; may ignite spontaneously. Exposure Routes inhalation, ingestion, skin and/or eye contact. Symptoms irritation eyes, skin, respiratory system; diffuse pulmonary fibrosis; loss of appetite, nausea, cough; blood changes.

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