... 90% kernel content: 0.4% Moisture content: 8.7%3 [Filter] walnut shellAppearance:shiny ,beautiful, brown. High-quality fruit (coconut, apricot ... regeneration, economic and durable and so on.Uses: It is used for oil field, refining, environmental protection, chemical industry wastewater treatment ... , jewelry, button, stamping parts, electronic parts, etc. Walnut shell used as polishing material