Kindly please refer to our type of Charcoal made from and specification:- 1)Made Of Coconut Shell (Eco-Friendly Product) Carbon : 78.7% Total Sulfur : 0.19% Volatile Matter : 14.0% Total Moisture : 4.2% Ash Content : 3.1% Gross Calorific Value : 7.309 Kcal/Kg 2)Made Of EFB (Empty Palm Fruit Branch) (Eco-Friendly Product) Carbon : 32.7% Total Sulfur : 0.13% Volatile Matter : 60.0% Total Moisture : 2.6% Ash Content : 4.8% Gross Calorific Value : 5.318 Kcal/Kg