... has uniform pores, and it is odorless, non-polluting, easy to use, inexpensive and safe. Moreover, the pore size ... vapor activation crumbs.Features: developed gap, good adsorption properties, high strength, easy regeneration, economic and durable and so on.Uses: It ... 2.0-4.0mmfunction:Polishing process of spectecles, jewelry, button, stamping parts, electronic parts, etc. High quality garnet Abrasive