Ask X3What does 49 CFR 172.558 (CORROSIVE placard) require?
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Based on 49 CFR 172.558, the CORROSIVE placard requires the following:
* Background colors: The lower portion of the placard must be black, and the upper portion must feature a white triangle.
* Triangle placement: The base of the white triangle must be positioned 38 mm ±5 mm (1.5 inches ±0.2 inches) above the horizontal center line of the placard.
* Text and numbers: All text and the hazard class number must be white.
* Symbol and border: The symbol and the inner border must be black.
* General compliance: In addition to these specific design rules, the placard must also comply with the general requirements found in § 172.519 (except for size and color).