What symbol is often used to indicate fire hazards on labeling?

The flame icon is widely recognized as the symbol indicating fire hazards on labeling. This icon effectively communicates the potential for flammable materials or conditions that could lead to combustion. Its distinct design—a simple flame shape—makes it easily identifiable and conveys an immediate understanding of the associated risks without the need for extensive text or explanation.

In safety practices and regulatory standards, using clear visual symbols like the flame icon is critical for ensuring that workers and the public are aware of fire hazards. By prompting quick recognition, this icon plays a vital role in promoting safety awareness and encouraging careful handling of substances that can ignite.

Other symbols, while significant in their own contexts, do not specifically convey fire hazards. For example, triangle icons are often used for warning signs implying caution, circle icons may denote informational or regulatory notices, and skull icons typically represent toxic or lethal substances. However, none of these symbols explicitly communicate the fire risk that the flame icon does.