The disc is based on the large sandpaper back flocking, and then through the stamping machine with various types of stamping out. General product's specifications are: Round/Rectangle/Triangle shape, also can be made with holes shape. The feature of Velcro Disc is the back flocking, be easily distinct with adhesive sand disc.
Velcro disc compared with adhesive sanddisc: easier replacement; grinding efficiency are better; can be soaked in water grinding, a greater degree of improvement of abrasion resistance.