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Mine Safety and Health Administration MSHA's Accident Prevention Program
Miner's Tip

Tire Explosion Hazards Due to Heat

Safety Something YOU can live with!
Mine Type: All mines, surface and Underground
Category: Fire and Haulage and Transportation


Heating a mounted tire and rim assembly, intentionally or not, can cause the tire to explode. Causes include: Tire Explosion Hazards Due to Heat

Any one of these can produce sufficient heat to increase the pressure within the tire. Extreme heat can also cause the tire material itself to decompose and produce a combustible gas/air mixture within the tire which could ignite. Either situation can cause the tire to explode without any warning. Even tires with the valve stem removed can explode if heating initiates the decomposition process inside the tire.

In situations where a tire assembly has been heated:



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Issued: 07/17/2008
Tag # AP2008-93520