Our wood pellets are made from material that would otherwise be wasted (sawdust, wood chip, wasted wood… from eucalyptus, acacia, pine…). They are bio-fuels and help to protect the environment. diameter: 6 or 8 mm length: 3, 15 40 mm moisture: max 10% inorganic ash: max 3.0% pellet durabulity index: min 96.5% fines: