... the wood together in its new form Briquettes.After the processing of drying, compressing under the high pressure and temperature, the ... and cotton stalks ,nutshell, coconut shell ,etc 3.finish product of the machineThis bio-fuel briquette is 45-80mm in diameter ... available length could be :20cm,30cm, 40cm, 50cmThe feature of the final product : Specific gravity: 1300—1900kg/m Calorific value: 4500— ...