1.2 - Metallic

The Metallic input controls how 'metal-like' your surface will be. Nonmetals have Metallic values of 0 and metals have Metallic values of 1. This value will either be 0 or 1 for pure surfaces, such as pure metal, stone, or plastic. When creating hybrid surfaces like corroded or dusty metals, you may find that you need some value between 0 and 1.