Wood Pellets Diameter, mm, 6~8, 8 Length, mm, l 40, l 40 Unit volume mass (as receive basis), kg/, min. 600, min. 600 Total moisture (as received basis), % wt, max. 12, max. 12 Net calorific value (as received basis), kcal/kg, min. 3, 900, min. 3, 900 Ash (dry basis), % wt, max. 3.0, max. 3.0 Chlorine (dry basis), % wt, max. 0.05, max. 0.05 S (dry basis), % wt, max. 0.05, max. 0.05 Nitrogen (dry basis), % wt, max. 0.5, max. 0.5 Ash fusion temperature, idt (reducing atmosphere), ℃, min. 1, 150, min. 1, 150 Trace element, as, mg/kg, max. 1.0, max. 1.0 cd, , max. 0.5, max. 0.5 cr, , max. 10, max. 10 cu, , max. 10, max. 10 pb, , max. 10, max. 10 hg, , max. 0.05, max. 0.05 ni, , max. 10, max. 10 zn, , max. 100, max. 100