【材质】Materials - Measured Metallic Specular Values, Billy Lundevall : Full document and IOR values: https://docs.google.com/document/d/1tDaxFc6iZELYrWHGh1gCo_oWskkT_-tE2MVrXBG80lA/edit
This is a list of all my known measured metallic specular values and specu