Black rouge?

Does anyone have any polishing/figuring experience with so-called black rouge? It's a black form of iron oxide (as is red rouge). Got Grit sells it.

I'm about to embark on a refiguring project and I'm considering using it instead of Cerium Oxide. It's advertised to polish slower and produce a better polish than CeO2.

Is it worth a try?

Doug

Hi Doug, I have some of it that I ball milled and have used that on BK7 lenses...it is slower and cleaner than red Rouge...and a bit slower than ball milled cerium...

I doubt that I would use it on Pyrex for figuring by machine as it is slow enough now with the ball milled 50-D-1 or ZOX CE-89.

But with soft lense materials the ball milled Black Rouge works well...without ball milling it does not wet well for me...

Hope that helps,

Preston

This is just a follow-up. I tried some, and yuk! Doesn't wet, and it's even messier than red rouge. It's awful stuff to work with - I threw it out.

ZiO is much better, slower than CeO and works very nicely, doesn't stain, etc.

Doug