I have worked on a few blades with the medium textured 1/8" g10 stuff. I think it makes an excellent handle on small fixed edc knives. On the first couple I removed the peel ply first. I recommend against that. You get the surface dirty and it can get unneccesarily messy with glue and stuff. Also don't grind "against" the textured surface. The texture is not imprinted in the g10, it seems to be a thin sheet glued (?) on to the rest of the g10. So if you grind against the textured surface you can have parts of it getting ripped out. It happened to me. Grind away from it.
Now I keep the peel ply protective layer on. I sand and buff the edges and then remove it. I insert and glue pins as the final thing. Since the pins have to be exact length and stay put and flush I use 5 min epoxy for that and wipe clean with kerosene around them till it has set.