Dry Powder Briquette Press Machine 1.energy-saving 2.Power: 18. ... closely together.usage of high pressure roller briquetting machineHigh Pressure Dry Powder Briquette Press Machine is widely used to make briquettes from ... various powdery materials, including aluminium powder, magnesium powder, ore powder, active charcoal powder, alumina, caustic soda (sodium hydroxide), clay, ...