Characteristic value upload by CLMM tcode

Hello All,

I want to mass upload the characteristic value for material class 001 by using CLMM transaction code, However I can only mass update the data for 10 materials at a time. I have to mass upload the characteristic value for 2000 materials. In the present scenario it woul be v

What could be the way I can paste all parts at a time and then mass upload?

Please suggest.

Thanks & regards.

Sanjay