Ask BCY about it. They make 8125.

Their email is [email protected]

Their website is http://www.bcyfibers.com/

Since I started making my own strings & cables, I've used only 450 plus. It's a little slower than 8125, but since it's thicker, I need fewer strands. That makes it quicker to build a string. I don't get any creep that I can detect or any peep rotation.

Let us know what you find out.

Allen