Wood Pellets Ash 2.64 %wt Bulk density 700 kgs/m3 Chlorine 0.024 %wt Diameter 8.14 mm Durability 97.66 %wt Sodium content. Less than 10 mg/kg Potassium content 2903 mg/kg Fines 0.96 %wt Gross calorific 4701 cal/g Length 26.8 mm Net calorific 4392 cal/g Nitrogen 0.26 %wt Sulfur 0.035 %wt Total moistur 8.70