Mangrove Charcoal is one of the hardwood charcoals and also one of the heaviest charcoals. In other words, its structure is very dense and also hard. This charcoal is used for BBQ in estaurants, outdoor picnic charcoal packs, and some industrial fields like non-ferrous metal production. One advantage of this charcoal is that it gives a special aroma to BBQ when burning. There are two types of Mangrove Charcoal, Trunk and Branch.   Moisture : 5-7% Volatile matter : 15-20% Ash : 3% Fixed carbon : 70-80% Calorific value : 7,085 kcal/kg Packing : 20kg pp woven bag or your choice   Hardwood Charcoal usually refers to charcoal of one or mixed jungle wood. It is also called Lump Charcoal or Lumpwood Charcoal in a different point of view. Main use of this charcoal is BBQ but bulk quantity is often used for industrial purposes as well. 　 Moisture : 5-7% Ash : 2-3% Volatile matter : 10-15% Fixed carbon : 80-85% Calorific Value : 7000-7500 kcal/kg Packing : 20kg pp woven bag or your choice   Black Oak Charcoal is usually used in BBQ restaurants and in industrial fields. This charcoal along with White Oak Charcoal is usually recognized in several Asian countries like Korea, Japan, and China. Since it is not as fully finished (see the explanation below) as White Oak Charcoal, it is called 'Black' Charcoal. Oak tree used to be a good source of charcoal in Asian countries but now the production is quite limited. Meanwhile South East Asian Wood Charcoals are replacing it with the S lower prices.     　 Moisture : 5-7% Ash : 2-3% Volatile matter : 5-10% Fixed carbon : 80-85% Calorific Value : 7000-7500 kcal/kg Packing : 20kg carton box   White Oak Charcoal has white-ash-covered surface and this is why it is called 'White Charcoal'. At the final stage of carbonization, the kiln is partly opened to induce active burning, and then the charcoal is taken outside to extinguish with sand and ash mixture. Advantages of white charcoal are that it has much less smoke and fumes due to the final treatment, while the price is quite expensive. Compared with Black Oak Charcoal, this is considered as a superior, showing more competitive aspects in burning quality and less smoke.     　 　 Moisture : 5-7% Ash : 2-3% Volatile matter : 5-10% Fixed carbon : 85-90% Calorific Value : 7000-7500 kcal/kg Packing : 20kg carton box