... fire,No spark, long burning time,high heat value 3,pure nature material charcoal briquette,best quality ... 2, Fixed charcoal: more than 80% 3, Moisture: 5%~8% 4, Heat value: more than 8000cal 5, Volatile ... matter: 3% 6, Packing: 10kg/carton , or ... . Advantage: 1, eco-friendly 2, high energy 3, clean and sanitary 4, regular shape, rational construction ...