Product Description Black natural hardwood charcoal for bbq is the machine made charcoal made of wood sawdust material. Hardwood charcoal is used widely as domestic and industrial fuel. Hardwood charcoal is also used for indoor and outdoor barbecue. Introduction of black natural wood charcoal for bbq:Machine made charcoal also called charcoal core rods, artificial carbon, renewable carbon, and smoke-free clean carbon, is made through the technology of extrusion and carbonization of the crushed wood sawdust. Machine made charcoal has kinds of the raw material, such as sawdust, wood chips, wood shavings, and so on. While the best material is sawdust.BBQ charcoal Technical Specifications:ItemGood Quality BBQ CharcoalMaterial100% Bamboo or Bamboo&Wood MixedCarbon Content>90%Moisture<5%Ash<5%Heat Value7500-8500JShapeQuadrilateral or HexagonalBurning time5-8hours(change as burning environment)Diameter(outside)3.5-4cmDiameter(inside)1cmLength20-25cm or 43-45mm or as per customizedPacking10kg/CTN or per customized