Rubber, Soda, Glass, Dust. These are just a few of the 30 free procedural shaders you get with the Shaderpack Volume 1 for Cinema 4D. The Shaderpack is available for free from Eggtion.net.
Eggtion Shaderpack vol.01
This pack is a collection of 30 procedural shaders for Cinema 4D R10+, that means there are no textures needed. The shaders are fully scalable without worrying about the pixel count. They all work without adjustment per uvw-mapping.