Silicon carbide grain is sharper but more brittle than aluminum oxide grain, and should be used on applications
that are either very hard (i.e. glass, stone, porcelain and ceramics) or very soft (i.e. rubber and plastics).
Silicon carbide grain tends to be more aggressive .
Waterproof sandpaper :
1. Waterproof sanding paper is made of high quality silicon carbide abrasive grains, which are excellent in grinding
force and resistance endurance.
2. Excellent latex paper backing ; Good flexibility.
3. Wear-resistant and long lifetime.