How to remove a material assigned to a solid body.
Solution
1. Select 'Tools-->Materials-->Manage Materials'.
2. Set the Materials List to 'Local Materials'.
3. Highlight the listed material that has a green check mark in
the 'Used' column.
4. Select the 'Remove selected material assignments' icon.
The material assignment will be removed from the solid body; however,
the material will remain a local material unless the material is
highlighted in the list and the 'Delete selected material' icon is used.
5. Close the Manage Materials dialog.
NOTE: The solid body will retain the density of the assigned material but this
can be modified using the 'Edit-->Feature-->Density' command.
Notes and References
Hardware/Software Configuration
Platform: all
OS: n/a
OS Version: n/a
Product: NX
Application: DESIGN
Version: V9.0
Function: FEATURE_MODEL
Ref: 001-7268346