Pumice is a natural mineral - volcanic ash formed by the solidification of lava that is permeated with gas bubbles. Pumice powder is used chiefly as an abrasive and is among the softest of all media. Excellent for less aggressive operations where the protection of the surface is of supreme importance. Combine pumice with a soft cloth saturated with liquid or gel deglazer, and you have one of the most effective ways to remove the toughest glaze from blankets and rollers.
This is Grade FFF. The particle size of the pumice in this grade is 75 microns. 1 lb. container.
