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Perlite dust

Airborne particulate from crude or expanded perlite; NIOSH describes inhalation, skin, and eye contact as exposure routes and irritation of the eyes, skin, throat, and upper respiratory system as symptoms.

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 irritationthroat irritationupper respiratory irritation

Evidence

The NIOSH Pocket Guide lists inhalation, skin, and eye contact as exposure routes; symptoms include irritation of the eyes, skin, throat, and upper respiratory system, with the eyes, skin, and respiratory system identified as target organs.

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Exposure Routes; Symptoms; Target Organs · 1
Exposure Routes inhalation, skin and/or eye contact. Symptoms irritation eyes, skin, throat, upper respiratory system. Target Organs Eyes, skin, respiratory system.

The NIOSH Pocket Guide lists a NIOSH REL of 10 mg/m³ total dust and 5 mg/m³ respirable dust as 10-hour time-weighted averages.

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NIOSH REL · 1
NIOSH REL TWA 10 mg/m³ (total) TWA 5 mg/m³ (resp)

The current NIOSH Pocket Guide describes perlite as a noncombustible solid or fluffy particulate and reports eye, skin, throat, and upper-respiratory irritation from inhalation or contact exposure.

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Physical Description; Exposure Routes; Symptoms · 1
Physical Description Odorless, light-gray to glassy-black solid. [Note: Expanded perlite is a fluffy, white particulate.] Exposure Routes inhalation, skin and/or eye contact. Symptoms irritation eyes, skin, throat, upper respiratory system.

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