Does anyone know what Apple is coating the aluminum on the back of its iPhone 5 and 5s devices with? The metal appears to be anodized (and they've said as much) but the coefficient of friction between 2 iPhones is about .14. They use an omniphobic coating on the front glass which makes sense...
We are looking for an omniphobic, nonstick, low coefficient of friction coating for a kitchen device used for hand grinding relatively soft foods like herbs and spices. PTFE was our first choice but because this is being sold to the 'health conscious' market, it was eliminated as an option. (I...
