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ATEX directives are EU laws that regulate the design, testing, and use of equipment and workplaces in potentially explosive environments. They cover different categories of equipment, atmospheres, and temperatures, and require certification by a third-party body or self-certification by the manufacturer.
Learn about the standards, regulations, and terminology for electrical equipment in hazardous locations where fire or explosion hazards may exist. Find out the difference between Class I, Division 1 and 2, and Zone 0 and 1, and how they are used in different countries.
Learn about the six divisions and 13 compatibility groups of explosive materials, and the regulations for their transportation and storage. Find out which material belongs in HC 1 based on its mass explosion hazard, projection hazard, fire hazard, or insensitivity.
UN number 3268 is assigned to self-reactive solids that are not self-heating and are not subject to spontaneous ignition. The proper shipping name is Self-reactive solid type D and the class is 4.1.
More than 90% of these shipments are transported by truck, and anywhere from 5–15% of those trucks are carrying hazardous materials regulated under the HMTA. Approximately 50% of those materials are corrosive or flammable petroleum products, while the remaining shipments represent any of the 2,700 other chemicals considered hazardous in ...
MESG is a measurement of how easily a gas flame will pass through a narrow gap bordered by heat-absorbing metal. It is used to classify flammable gases and design electrical equipment in hazardous areas.
NFPA 704 is a standard for identifying the risks of hazardous materials using a fire diamond or safety square. It rates flammability, health, reactivity and special hazards from 0 to 4, and uses color-coded symbols to indicate different types of hazards.
Learn how explosives are classified into nine classes, six divisions and nine compatibility groups for transport and storage according to the UN Model Regulations. Hazard class 1 includes explosives that have a mass explosion hazard (division 1.1) or a projection hazard (division 1.2).