Specification: - rotten woods: 2% max. - barked: 2% max. - size: 4.8 - 28.6 mm. - 28.6 mm.Over size not more than 5.0-6.0%. - 28.6-4.8 mm. Not less than 85-90%. - 4.8 mm. Under size not more than 5.0-6.0%. - moisture: 50% max. ( 0% for bone dry) Bulk