Our Coconut Charcoal Briquette for Hookah use the best coconut for the raw material which is the best coconut product in the world, our following specification are: Standard Moisture : 6% MAX. Ash Content : 2% MAX. Volatile Matter : 14% 3% Fixed Carbon : 80% 5% Temperature : 600 700 C Burning Time : 90 120 Min. Ignition Time : 8 10 Min. Ash Color : Light