Ask X3What does 49 CFR 172.546 (FLAMMABLE SOLID placard) require?
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According to 49 CFR 172.546, the FLAMMABLE SOLID placard must meet the following requirements:
* Background and Stripes: The background must be white with seven equally spaced vertical red stripes, with one red stripe placed in the exact center. Each red stripe and each white space between them must be 25 mm (1.0 inches) wide.
* Lettering: The letters in the word "SOLID" must be at least 38.1 mm (1.5 inches) high.
* Colors for Details: The symbol, text, class number, and inner border must all be black.
* General Compliance: In addition to these specific design rules, the placard must also comply with the general placard requirements found in § 172.519 (except for size and color, which are governed by the specifics above).