Is called Polysil, It is a product of NANOPRO, company of Sassuolo and it is a film that allows trattene the heat of wheel rims and then return it to the tires by improving the thermal warm-up of the tires.
During the World Cup Formula 1 2013 has talked a lot about this issue but now we are able to show a video, posted on facebook Gian Luca Falleti, owner of the NANOPRO, in which the same company, for voice Giorgio Falleti explains their product.
The Polysil has the ability to attract and transmit heat to himself then in the wheel rims. For every braking action on a F1, thanks to Polysil, generated from the brake disc temperature it is stored and transmitted to the rim which in turn will distribute it inside the tire. So out of a bend the tire itself will be warmer and better trazionerà seater.
The teams that have used the drug were three: Ferrari, Mercedes e Red Bull.
[Source: http://www.circusf1.com/2013/12/a-cosa-serve-il-polysil-sui-cerchi-ruota-delle-f1.php]
