Smooth Touch The screen protector has a hard coating that protects your screen against most scrapes and scratches, keeping it like new. It doesn’t affect the touch screen capability, so your device stays as responsive and easy to use as ever. 9H Hard coating 9H surface strength - Strong and resistant from scratches. It is processed with a low temperature ion-substitution chemical strengthening method; compared to heat a strengthening method of surface density, it is two times stronger.