Light weight linerboard for corrugated board

A linerboard comprising a top ply and a two-layered ply, wherein the top ply comprises a first layer and the two-layered ply comprises a second and a third layer, and wherein

• the first layer and the third layer are made from furnishes exhibiting a first SR-value according to ISO 5267-1 of between 22-80,
• the second layer is made from a furnish exhibiting a second SR-value according to ISO 5267-1 of less than 30,
• the two-layered ply, comprising the second and the third layer, is formed by use of a multi-layer headbox, wherein the first SR-value is at least 2 units higher than the second SR-value,
• the top ply is formed on a first forming fabric and the two-layered ply is formed onto a second forming fabric, which plies are couched together so that the second layer is located between the first layer and the third layer, and wherein
• the linerboard has been subjected to calendering in a calender section comprising at least one nip formed between a heated calender roll and a backing roll or belt, which nip provides the highest line-load in the calender section and wherein said highest nip-load is less than 50 kN/m, and wherein
• the linerboard exhibits an SCT index (CD) according to ISO 9895 of at least 20 Nm/g and a bending resistance index GM according to ISO 2493-1 of at least 7 Nm6/kg3.