�¡harcoal briquette Pini-Key: smokeless, odorless, without sparks, does not contain chemical additives, with high calorific value, easyflammable, with a long burning time. Carbon, min: 82-91% Ash, max: 1.5-2% Moistur, max 3-6% Calorific value: 8200-9100 kcal Produced without the addition of chemicals and other components