... resistance, uniform particle size, and ultra-high shell content.Physical and chemical performance indexSpecific ... 3 [Filter] walnut shellAppearance:shiny ,beautiful, brown. High-quality fruit (coconut, apricot) shell as raw materials, ... on.Uses: It is used for oil field, refining, environmental protection, chemical industry wastewater ... stamping parts, electronic parts, etc. High quality garnet Abrasive