NFPA Rating Explanation Guide Rating Number Health Hazard Flammability Hazard Instability Hazard Rating Symbol Special Hazard Can be lethal Will vaporize and readily burn at normal temperatures May explode at normal temperatures and pressures Can cause serious or permanent injury Can be ignited under almost all ambient temperature May explode at high temperature or shock Can cause temporary incapacitation or residual injury Must be heated or high ambient temperature to burn Violent chemical change at high temperatures or pressures Can cause significant irritation Must be preheated before ignition can occur Normally stable. High temperatures make unstable No hazard Will not burn Stable Alkaline Acidic Corrosive Oxidizing Radioactive Reacts violently or explosively with water Reacts violently or explosively with water and oxidizing This chart for reference only - for complete specifications consult the NFPA 704 Standard
The National Fire Protection Agency (NFPA), in section 704 of the National Fire Code, specifies a system for identifying hazards associated with various materials. Proper identification of such hazards is essential for anyone who needs to handle such materials, and emergency responders. This surface-mount NFPA Guide will do the job.
• Surface-mount sign is printed in multiple colors and is UV, chemical, abrasion and moisture resistant.
• Substrate choices:
- Rugged, enamel-coated aluminum - Semi-rigid PVC plastic - Flexible vinyl label stock with permanent adhesive (Choose a tab next to the sign to select material and size)
• Aluminum and PVC signs have 0.20-in. mounting holes in each corner.
• All are printed with UV-stable ink and are suitable for indoor or outdoor use at service temperatures from -40 F to +180 F.
• For more detailed information on construction, please select the Product Data Bulletins tab above.