Diego Gangl writes:
Grunge Attack! is a pack of procedural textures for Cycles. This pack expands on the basic procedurals with 5 new nodes designed to help you create that worn and torn look with minimal effort.
All nodes are throughly documented and GPU-friendly!
Includes:
- Rust
- Dust
- Scratches
- Drips
- Chipped Paint
Links
Blender Market: Grunge Attack!
https://a.blendernation.com/go/go.php?src=BN&url=https://blendermarket.com/all-products/grunge-attack-texture-pack/?ref=2