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-   -   pumice (http://talk.craftweb.com/showthread.php?t=12795)

Pete VanderLaan 03-30-2021 08:09 AM

pumice
 
Harder to find these days. I did get a 45 lb bag from these folks and it is good.

https://pumicestore.com/pumice-grades-directory.html

Hugh Jenkins 06-25-2021 11:27 PM

What grade did you get?

Pete VanderLaan 06-26-2021 05:38 AM

I spent a lot of time on this with an hour meter when I was making the cut forms. Ultimately, I found that 0- 3/4 was the most efficient pumice, 1.0 being too coarse and 0- 1/2, while finer was too time consuming.

Ideally, having the 0- 3/4 followed by "0 1/2 " gave a very nice surface for cerium prep.
Cerium has strange stages. Initially, a lot of material comes off and leaves what I would call "Orange Peel". If one persisted, that layer went away and showed a brilliant polish. I still do that with any face that is exposed to view but not on bases of pieces.

Did you get the pad? I sent it priority mail last week.

Pete VanderLaan 07-16-2021 02:25 PM

Hugh,
The box arrived today. Thank you. Now back to our regularly scheduled programming..


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