... metallic mine powder 3.Coal powder,Coke powder,Lignite,etc This briquette machine have two larger rollers ... smoother. Final product can change according to buy's requirement. All we need to do is make ... use:1. Color and black metallic mine powder2. Coal powder, Coke powder, Lignite, etc,3. Charcoal powder ... ensure that the granule size fed to the machine is maintained below 3mm, preferable in the range ...