The shaders provided with standard libraries from NVIDIA are meant for use with the mental ray renderer.
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Material Editor > Material/Map Browser > Maps > mental ray > Choose a mental ray shader other than a custom 3ds Max shader or a Lume shader.
Note: mental ray shaders appear in the Browser only if the active renderer supports them.
Note: In the NVIDIA libraries, the names of base shaders have the prefix “mib_” and the names of contour shaders have the prefix “contour_”. These prefixes don't appear in the 3ds Max user interface or in the table that follows. (Names of physics shaders have no conventional prefix.)
The following table lists the NVIDIA library shaders provided with 3ds Max.
Tip: When you follow a link to the documentation for NVIDIA library shaders, scroll up a bit in your browser. The links tend to go directly to the shader's declaration code, and often there are some introductory paragraphs directly above the code. If the link goes to the beginning of a section, scroll down instead.
Note: You can also access the NVIDIA shader help by choosing Help 
Additional Help, opening the mental ray 3.9 Reference, and then highlighting "mental ray Shader Reference" on the Contents panel.
Additional Help, opening the mental ray 3.9 Reference, and then highlighting "mental ray Shader Reference" on the Contents panel.