100% Restaurant Grade Non-sparkling Wood Charcoal Burning Time: 5 - 7 hours, Moisture: 6-8 %, Fixed Carbon: 75-85%, Calorific Value: 6500 to 7000 Kcal/kg, Ash Content: 1.5-2 %, Volatile Matter: 12.5 to 30%, Sizes: 20mm to 100mm, 30mm to 200mm (based on your request) Shape: Lump / Briquettes / block, Foreign Matter: 1 % made with physical methods, 100% pure hardwood No