... content: 8.7%3 [Filter] walnut shellAppearance:shiny ,beautiful, brown. High-quality fruit (coconut, apricot) shell as raw materials, it is refined ... properties, high strength, easy regeneration, economic and durable and so on.Uses: It is used for oil field, refining, environmental protection, ... of spectecles, jewelry, button, stamping parts, electronic parts, etc. High quality garnet Abrasive