Halaban / Alaban Charcoal (detail specifications): Fixed Carbon: up to 83% Ash Content: Below 3% Volatile Matter: max 12% Moisture: max 4% Calorific Value: up to 7500 Kcal/kg Burning Time: 5-7 hours Advantage - Long Burning Time, No Smoke, No Odor, No Spark, 100% Natural & Eco-friendly