- Materials: 100% coffee tree wood - Shape: round shape - Color: Black - Size: diameter: 3-15cm, length: 5-20 cm or upon request - Humidity: 3.6% - Ash content: 1.86% - Heat: 7000 (J) - Fixed carbon content: 70% - Burning time: 3-4 hours *Outstanding features: - Odorless, smokeless, sparkless, environmentally friendly - High heat, low ash - Long burning time *Packaging: 10/15 /20kg/bag or as required Vietnam is the second largest coffee-producing country in the world, with the highest coffee-growing area. After each coffee pruning cycle, along with newly planted coffee, "replanting" to increase production creates a very abundant supply of coffee wood. Coffee black charcoal is highly prized, coffee white charcoal is even better quality. Coffee wood is flexible and strong, usually a perennial tree, so the charcoal quality is relatively good. Coffee white charcoal meets technical standards and testing to ensure export quality.