Permanent 4-Digit DOT Vehicle Placards. These placards meet DOT 49 CRF 172.519(c)(1) requirements. Designed specifically for vehicles dedicated to the repeat transportation of a single material. These DOT placards are printed with the combination of hazard class, hazard division, 4-digit identification number and U.N. chemical number. 10.75" x 10.75"

For more information, visit USDOT Hazardous Materials Transportation Placards: Class 8 Corrosives (EnvironmentalChemistry.com) - Hazardous materials placards are required when shipping hazardous materials in the United States, Canada and Mexico. This page provides US DOT definitions for Class 8 corrosives.