MarconiGomma blast caused by too much magnesium oxide

ERJ staff report (DS)

Milan — reports coming out of Italy suggest the fatal explosion at MarconiGomma on 17 November 2008 were casued by using an excess of magnesium oxide in a fluoro-elastomer.

This combination leads to hot spots within the mix, which degrade the rubber, leading to emissions of gas. While this phenomenon is well known in the industry, and the information is available on the web, it was not highlighted on the data sheets available to MarconiGomma, and supplied by French distributor, Arnaud SA, part…

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