--- title: "Shader Properties" url: "https://help.maxon.net/c4d/en-us/Content/html/XRUST-ID_SHADERPROPERTIES.html" section_path: "Material Manager > Classic Materials > Classic material > Channel Shaders > Rust Shader > Shader Properties" element_id: "XRUST" group_id: "ID_SHADERPROPERTIES" description: "You choose the colors for the metal and rust using the gradient." --- ## Shader Properties ### Color Parameter ID: `RUSTSHADER_COLOR` You choose the colors for the metal and rust using the gradient. ### Rust Parameter ID: `RUSTSHADER_LEVEL` · Range: [0..100%] Rust specifies how much of the material is rusty. ### Frequency Parameter ID: `RUSTSHADER_FREQUENCY` · Range: [0.00..+∞] Increase the Frequency value for smaller rust patches. ![Image: 004484.jpg](https://help.maxon.net/c4d/en-us/Content/Resources/Images/004484.jpg)