List one characteristic of non-combustible materials in a welding zone.

One characteristic of non-combustible materials in a welding zone is their ability to withstand high temperatures and not ignite easily. This property is crucial in welding environments, as it helps to ensure safety by reducing the risk of fire hazards. Non-combustible materials can be used for various applications, such as barriers, work surfaces, and protective equipment, effectively minimizing the chances of ignition from sparks, molten metal, or excessive heat generated during welding processes.

The robustness of non-combustible materials against thermal stress is essential for maintaining a safe workspace, as they can endure the high temperatures typically produced during welding operations without catching fire or contributing to the spread of flames. This characteristic makes them vital components in welding safety protocols.