2025年3月18日 · Known as the NFPA “diamond,” the four section multicolor diamond shape indicates the health, flammability, instability and related hazards that are presented by short-term, acute exposure to a material during a fire, spill or other emergency-related condition.

2025年3月14日 · NFPA 704 provides 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 in a fixed facility.

" NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response " is a standard maintained by the U.S. -based National Fire Protection Association.

2021年11月5日 · The NFPA 704 hazard identification system is characterized by a diamond which is more precisely defined as a “square-on-point” shape. It identifies the degree of severity of the health, flammability, and instability hazards.

Aboveground storage tanks containing a hazardous material need to be posted with the appropriate NFPA 704 sign(s) on a visible side or sides and be readable. An “aboveground storage tank” means a non-portable container holding 55 gallons or more of a hazardous material.

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 704 is a standard maintained by the US-based National Fire Protection Association (NFPA). It defines a graphic system primarily used by emergency personnel to quickly identify the risks posed by the presence of hazardous materials in a certain area.

The NFPA 704 sign, also known as a “fire diamond” or NFPA diamond, uses the color and number codes described in NFPA 704 to provide all of this life-saving information to responders at a glance. Each color designated by NFPA 704 represents a different type of hazard: health, flammability, and reactivity.

Trust ComplianceSigns.com for NFPA 704 labels and NFPA diamond signs to help emergency responders understand fire hazards and hazardous chemicals in your workplace.

2013年4月11日 · Understanding the NFPA 704 sign? This is diamond-shaped sign with four smaller quadrants/diamonds inside. One diamond is blue, one is red, one is yellow and one is white, as shown on image.