In actual use, the classification of the sandpaper is far from uniform.
Accordance with the purposes:
Sponge sandpaper: suitable the polished smooth part of the variety of materials can be.
Dry sanding paper: suitable for rough or polished some rough things, such as iron pipe metal.
Watermill sandpaper: texture fine the watermill sandpaper for sanding some more delicate texture, and is suitable for post-processing;
Watermill sandpaper smaller gap between the sand and smaller grind Unqualified Unqualified and water is flowing out, and water so thinner sandpaper dry grinding Unqualified will stay in the gap in the sand, the sandpaper surface becomes light, which amounted to less than it had any effect, and dry sandpaper will not be so troublesome gap between its sand grinding out Unqualified it is in the process of grinding disc will fall due to the large gap causes suimo, so it does not need together with water to use.
By product name:
Wood sandpaper dry sanding paper; water sandpaper, waterproof sandpaper; iron emery cloth, a dry sanding paper, cutting disc, polished metal surfaces as soon as possible.