Recycled paperboard (Machine 4)

Produced on machine 4, this recycled board has a grammage range of 120–300 g/m² and a bulk of 1.57–1.7 cm³/g. Scott bond index is 230–300 J/m², Mullen index 1.0–1.8 kPa·m²/g. Widths from 60 to 2,350 mm, inner diameter 70–200 mm, outer diameter 800–1,400 mm.