thankyou very much 

in general material is not exportable ,only color and textures. Without a uv map can an another program not read textures


that will explain it more

https://www.pluralsight.com/blog/film-games/understanding-uvs-love-them-or-hate-them-theyre-essential-to-know



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liebe Grüße vidi

meet us here

i used the fbx export plugin   in zbrush and didnt see any option the required me to uvmap first

is the obj UV mapped ? 

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liebe Grüße vidi

meet us here

when i import object i created in zbrush 4r 7  as fbx format  into 3dxchange and into iclone none of the materials or colors are imported is there any help i might get on this issue?