Coffee Chips is a biomass fuel that comes from filtering coffee grounds and tree bark. Chips are a type of solid fuel made from biomass waste with a smaller size compared to the size of briquettes. The process used is pressing with high temperature and pressure, so it is effective. Product quality: Humidity: 16.4 % (ar) Ash content: 3.8 % (adb) Volatiles: 75.9 (adb) Fixed Carbon: 15.5 % (adb) Sulfur : 0.15 % (adb) Gross Calorific Value : 5,155 Kcal/kg (adb) , 4,527 Kcal/kg (ar) Dimension : 30 MM x 40 MM x 1 MM.