Features: 1) No smoke, no odor, ignite quickly and safely 2) Longer burning time than common charcoal: more than 3 hours 3) No additives, high density, totally carbonized 4) Widely used in living (especially in BBQ), chemistry, metallurgy, construction and agriculture 5) Forms: hexagonal, rhombic, square 6) Inside is hollow 7) Can be produced as per requirements Specifications: 1) Calorific value: 7,500-8,300kcal 2) Ash content: <5% 3) Fixed carbon: ≥85% 4) Volatile matter: <4.5% 5) Moisture: <4% Notes: Different types of charcoal products have different specifications. The above is only for clients' reference. Please feel free to contact us(duhuyang(at)hotmail(.)com if you are interested in our product.