... can be used to make briquettes from coal powder, charcoal powder and coke powder with binder. Suitable materials for briquetting:1. ... Color and black metallic mine powder2. Coal powder, Coke powder, Lignite, etc,3. Charcoal powder, fireproof materials, Desulfurization gypsum, Dolomite, etc ... higher density, also the surface is smoother.Request for raw materials:1. In order to ensure the good quality ...