Quote:
Originally Posted by phoenix
This can be accelerated by exposure to ultra violet light from the sun, some artificial lights and arc welding.
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I recall a conversation from my karting days about the effect of arc welding on tyres - the guy I was speaking to had bought a set of soft compound tyres about 6 months before the race we were in and had stored them with his kart at work, a metal fabrication business. The 'new' tyres were hard as nails and pretty much useless. I'm no chemist, but I think this was to do with ozone created by the electrical discharge.