What type of substances does UN hazard Class 8 represent?

UN hazard Class 8 represents corrosive substances, which are capable of causing destruction of living tissue or severe corrosion of material. This classification includes substances that can cause chemical burns and significant harm upon contact with skin or other materials. Corrosive substances can also pose severe risks during transportation and handling, necessitating proper precautions and labeling to ensure safety.

Understanding this classification is crucial for those involved in the handling, storage, and transportation of hazardous materials, as it informs the necessary safety measures and emergency response strategies to mitigate the risks associated with these substances. In contrast to the other options, which involve different types of hazards, Class 8 specifically focuses on the corrosive nature and potential for harm from these substances.