Rebuild of Sappi Gratkorn PM11
Continuous improvement in both cost and quality is always top of mind for Sappi Gratkorn Mill. They take pride in having a strong relationship with their customers and make a point of understanding their needs. To ensure that the mill is fit for the future, the commissioned a technology upgrade that aimed to increase the quality of coated printing papers produced. The upgraded PM11 started in late 2014. The achieved quality enhancement completely meets Sappi’s expectations. The production of paper meeting all quality standards began almost immediately after the startup of the rebuilt machine.
|Location||Sappi Gratkorn Mill, in Austria|
Need to improve the quality of the coated woodfree printing papers.
Main target was to decrease tensile strength MD/CD – ratio and to improve formation at the same time. Second target was to widen the basis weight window and add new products to product portfolio.
Paper machine rebuild for improved end product quality.
Rebuild concept was optimized and validated in the series of pilot trials at Valmet Paper Technology Center in Jyväskylä.
Improved end product quality and printability.
The possible grammage range for coated paper has been increased.
|Keywords||Board and paper, Europe, Rebuilds|
High quality double and triple coated papers from Gratkorn mill are used used for premium quality publications all over the world.
|Basis weigth range||115-350 gsm|
|Wire width||9 250 mm|
|Design speed||1 500 m/min|
|Annual capacity||720 000 t/a|