Real life is full of imperfections. Take a black-and-white grunge map and plug it into the Roughness or Glossiness slot of a clean library material. This will break up uniform reflections, creating realistic fingerprints, scuffs, and smudges.
Materials representing skin, wax, marble, and milk use an upgraded SSS algorithm within the standard V-Ray Material ( VRayMtl ). This allows for faster rendering of translucent materials without sacrificing accuracy. Exploring the Core Material Categories vray 6 material library
Even though materials are pre-made, you can still open them in the V-Ray Asset Editor to change the color, scale, or bump strength. Real life is full of imperfections
Uses accurate Fresnel/IOR settings for chrome, gold, copper, and brushed steel. Sofas, clothing, automotive interiors. creating realistic fingerprints