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NFPA 704 Signs

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Frequently Asked Questions

A.

The NFPA diamond is a hazard identification system that displays four colored quadrants: blue for health, red for flammability, yellow for instability, and white for special hazards. The official NFPA 704 standard uses a 0-4 rating in each category to quickly communicate the severity of the hazard.

A.

NFPA 704 signs are used to rate a wide variety of hazardous materials, including industrial chemicals and solvents. They provide at-a-glance information for emergency responders about the materials stored in a particular area.

A.

NFPA 704 signs are widely used and recognized, but they complement, not replace, labeling requirements under OSHA's Hazard Communication Standard (HCS). OSHA requires specific GHS-style labels on containers, while the NFPA diamond is typically used for stationary locations like tanks and buildings.

A.

NFPA diamond signs range from small 4"x4" labels for containers to large 24"x24" signs for buildings, and are available in durable aluminum, plastic, and adhesive vinyl. You can see available dimensions on product pages, like this acetone sign.

A.

Yes, you can customize NFPA diamonds for your specific needs. We also offer placard kits with number and symbol packs that allow you to build and update hazard ratings on-site.

About our NFPA 704 Signs

NFPA 704 signs provide a simple, readily recognized, easily understood system for identifying the specific hazards of a material and the severity of the hazard that would occur during an emergency response.

  • • NFPA signs are guaranteed to last for years outdoors. 3M’s bright, matched component inks and films carry a 10 year warranty.
  • • Point out important hazard ratings with a vivid NFPA Diamond Sign. Popular signs use reflective films, which are easy to spot at night.
  • • Safety professionals prefer our high-intensity materials for their superior visibility from an angle. Make it easy for everyone to spot NFPA ratings from a distance.
  • • NFPA Placards save money by eliminating the need for multiple, confusing signs
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Size: 18" x 12" Material type: Engineer Grade Reflective Aluminum Sign
This is What Industry Needs More Of!
Great Quality that was available SUPER-FAST at a very reasonable price! Our Hazard Communication Program has been sufficiently bolstered!
Size: 6" x 6" Material type: Labels for the Outside of Doors or Windows
Fast and Easy
Exactly what I needed, they shipped the same day and arrived days earlier than expected.
Size: 12" x 12" Material type: Laminated Vinyl Labels
Great product!
Easy to use and I now have blank spares on hand in the event I need to relabel any tank on site.
Size: 18" x 12" Material type: Engineer Grade Reflective Aluminum Sign
Good quality. Fast service.
Good quality sign. Just as I ordered it. Fast turnaround.
Size: 18" x 18" Material type: Laminated Vinyl Labels
Kit Description
Kit is as described. Worked perfectly.

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