Polarboard is the trade name of the different greyboard grades made in Ranheim. Most of the volume is delivered internally to Ranheim Paper & Board which has a converting plant making Solid Board on the same site. The making of Solid Board is a lamination process. Solid Board is converted into sheets and boxes and used for the packaging of fish and agricultural goods, as well as building materials, angle board, partition board, reel end discs etc.
Bulk is an economical factor
Polarboard is a grade that can be produced on both paper machines in Ranheim. This gives capacity flexibility. Substances offered are from 190 to 500 g/m² and Ranheim has the advantage of being able to produce Greyboard with a bulk as high as 1,65. Bulk is an economical factor, and this gives added contribution vs. competing grades.
Polarboard is also available in hard-sized versions.