About SATC. SATC is a professional manufacturer of abrasive tools since 1990. The grit number is printed on the backing of the sanding disc. It will never happen that the granule is more aggressive than the number printed on the backing.
Item Tag: 20/50/100
Multiple Usage Applications: The extra-sharp cut and long-lasting durability of these ceramic grain sanding discs make them suitable as workhorse sandpaper for a wide range of industries and applications.