... technique 4. Good quality,high quality DYAN Mine Powder Briquette Machine with advanced technology Mine Powder Briquette Machine, generally four rollers, ... binder. Suitable materials for briquetting:1. Color and black metallic mine powder2. Coal powder, Coke powder, Lignite, etc,3. Charcoal ... higher density, also the surface is smoother.Request for raw materials:1. In order to ensure the good quality ...