Specification : Our Products specification are Negotiable, or in general: Moisture : 5% - 8% Ash : 2% - 4% Volatile : 11% - 13% Carbon : 75% - 85% Size (mm) : By Request Cube ( 20x20 , 25x25 , by request ) Hexagon ( 18x35 , 20x35 , etc) Flat box (15x25x25 > 96pcs /Kg)