Diameter: 6-8mm
Length: 5 to 30 mm (20% to 45 mm)
smooth surface
Density: min. 1.12 kg/dm3
Bulk density: 650 kg/m3 min
energy content: min. 4.6 kWh / kg
Water content: max. 10%
Ash content: max. 0.5%
dust content (pre-shipment): max. 1%
binder: forbidden
Impurity: no