SILICON CARBIDE

SILICON CARBIDE

SILICON CARBIDE

CAS number: 409-21-2

Molecular formula: SiC

NONFIBROUS PARTICLES
(containing no asbestos and < 1% crystalline silica)

TLV–TWA, 10 mg/m3, Inhalable particulate mass

3 mg/m3, Respirable particulate mass

FIBROUS FORMS (including whiskers)

TLV–TWA, 0.1 f/cc, Respirable fibers*

A2 — Suspected Human Carcinogen

*Respirable fibers ≥ 5 ∞m in length, with an aspect ratio ≥ 3:1, as determined by the membrane filter method at 400 to 450 times magnification (4-mm objective), using phase-contrast illumination.

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