The three softest compounds have been chosen for Singapore (for the first time since Austria): the P Zero White hard is the C3, the P Zero Yellow medium is the C4, and the P Zero Red soft is the C5. These compounds have been chosen to match the typical street circuit characteristics of the Marina Bay track, ensuring high levels of mechanical grip. There's some new asphalt for Singapore this year, laid by Italian firm Dromo. This isn't as smooth as the asphalt usually seen on street circuits, having been put down with a view to the grand prix. However, as a street circuit, the Marina Bay circuit is used by normal road traffic most of the time - and the surface contains street furniture such...
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