... odorless, non-polluting, easy to use, 3 inexpensive and safe Garnet Abrasive1.pore-forming materials] walnut shell particlesOur factory using foreign ... , in 60 years abroad, it has been widely adopted in abrasives industry.Bulk Density: 0.85 ± 0.05g/cm Color: Yellow ... spectecles, jewelry, button, stamping parts, electronic parts, etc. High quality garnet Abrasive