Specification:- Moisture content : 2.1%- Ash content : 4% max- Volatile matter content : 30.01%- Fixed carbon content : 67.12%- Calorific value : 6892 Kcal/kgOur material are from many kinds of wood such as acacia, rubber, pineâ¦with long burning time, and easy to transport. The diffirent from them is the size.This Grade is smaller and softer than grade AAA