These coarse-grit, waterproof abrasive belts are especially suitable for thick glass. They contain silicon carbide particles in a hollow spherical bond that breaks up during grinding. Coarse grits (up to 120) have a synthetic backing, fine grits (150 and above) a cotton backing.
Application note:
Our practical tip: As the peak-to-valley height changes slightly in the course of the service life, we recommend grinding in beforehand.