Help with Norton Norax Disk

Patrice Lemée

Patrice Lemée

Well-Known Member
I got some sanding disks I bought a while ago. Some have X100 on them. I found out that this is about 220 grit equivalent.
The problem is on the other 2 kind of disks the only writing is “GG 18” for one and “GD 13” for the other. I can't seem to find any equivalent for that.

Anybody knows?
 
the grit numbers printed on the back missed most of the disc's. I'm assuming you got those from me. send me a note to tracy@usakms.com and we'll look up your order and see if we can decipher it.
 
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