Worded Class 4 Placards – US Only
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DOT Class 4 materials are divided into Flammable Solids, Spontaneously Combustibles, and Dangerous When Wet.
All placards are available in four durable materials: permanent self-stick vinyl, removable self-stick vinyl, rigid vinyl, or tagboard.
![]() Hazard Class 4.1Flammable Solids |
![]() Hazard Class 4.2Spontaneously Combustibles |
![]() Hazard Class 4.3Dangerous When Wet |






