Gabriel_GER
starting to spend too much on rocks
Member since May 2022
Posts: 229 
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Post by Gabriel_GER on Jul 1, 2022 11:09:04 GMT -5
So... Its really hard for me to find any F500 Aluminum Oxide Grit in Germany.
Im using regular F500 Silicon Carbide Grit in the pre polish stage and then finally this Aluminum Oxide polish. Now feedback seems to heavily suggest that using Aluminum Oxide in the pre polish stage as it already starts to give the stones a little shine.
I found a company in Austria that sells Aluminum Oxide Grits.
Now... how on earth do I convert that? 
The polish I use has 0,5µm. So the one in 5µm (my) would be 10 times a coarse I guess...
But is that close to F500 or more like F5000? Anything like it?
... help! 
Thanks a lot!
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Post by amygdule on Jul 1, 2022 12:14:06 GMT -5
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Gabriel_GER
starting to spend too much on rocks
Member since May 2022
Posts: 229
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Post by Gabriel_GER on Jul 1, 2022 13:11:41 GMT -5
Thanks SO MUCH! |
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Wooferhound
Cave Dweller 
Lortone QT66 and 3A
Member since December 2016
Posts: 1,432
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Post by Wooferhound on Jul 1, 2022 17:09:42 GMT -5
So... Its really hard for me to find any F500 Aluminum Oxide Grit in Germany.
Im using regular F500 Silicon Carbide Grit in the pre polish stage and then finally this Aluminum Oxide polish. 500 grit is stage 3 grit which is usually Silicon Carbide, I use #600 SiC for my Stage 3
Prepolish (usually stage 4 of 5) is normally 1000 or 1200 Aluminum Oxide grit Then Polish is Aluminum Oxide, as fine as you can get it
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Gabriel_GER
starting to spend too much on rocks
Member since May 2022
Posts: 229
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Post by Gabriel_GER on Jul 3, 2022 14:54:35 GMT -5
Finally found some AO grit in "Germany"! Now - of course - I am confused.
According to the chart in this threat, F500 equals 35µm. According to the dealer, F500 equals 12µm. Their whole AO grit assortment can be found here. They have a surprising variety. Now I just hope they accept my registry, have reasonable prizes... and I still need to figure out what I actually want. For now I guess I just go with the "F500" and not worry about the "µm" confusion.
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