Originally Posted by
chaadster
Innertube manufacturers disagree with your assessment, and many warn about overheating the tube.
Granted, tubes can soften at very high temperatures, leading to failures. Certain thermoplastic TPU tubes have low melting points, leading manufactures to "cover their backsides" warnings like "never use these tubes with rim brakes (triple-bang!)".
But a melted tube does not cause a sudden blow off (the subject of this thread). Blow offs are caused by the tire bead coming off the rim hook.
If your tire goes "boom", it is not because your tube failed.