Metsä Board Natural FBB - NEW
Ideal for shelf-ready packaging
Ideal for shelf-ready packaging


MetsäBoard Classic WKL

MetsäBoard Classic WKL is a coated white-top kraftliner specially designed for high-quality in-line and conventional flexo post-printing. It is available in basis weights of 135-175 g/m².

Providing excellent productivity from start to finish, MetsäBoard Classic WKL is the ideal solution for corrugated packaging in retail. It enables fast ink-drying times, even without dryers, resulting in high print quality. MetsäBoard Classic WKL produces excellent colour density and gloss, and is safe for food packaging. Its consistent quality ensures smooth and cost-efficient convertability.

MetsäBoard Classic WKL is made from fresh fibres, traceable to source in sustainably managed northern forests. All of Metsä Board’s products are manufactured under the highest environmental and safety standards, and hold PEFC™ (02-31-92) and FSC® (C001580) chain of custody certification.



  • shelf-ready and retail ready packaging
  • fruit and vegetables
  • processed food
  • consumer electronics

Product specifications

Specification language
Product nameMetsäBoard Classic WKL
Product descriptionCoated white top kraftliner
Product typeWhite kraftliners
End useRetail-ready packaging, Foods, Beverages, Consumer electronics, Consumer durables, General packaging
Printing methodFlexo postprint, Digital inkjet printing
Food contactEU Regulation (EC) No 1935/2004, USFDA21CFR§176.170*, USFDA21CFR§176.180*
MillMetsä Board Kemi
Paper profileMetsäBoard Classic WKL (pdf)
*Please contact Metsä Board for details of country-specific restrictions and/or limitations.
Open specification PDF


Technical informationSelect unit :
Grammage g/m² 135160175
Moisture content % 777
Thickness μm 140165185
SCT cd kN/m
Internal Bond J/m² 350350350
Smoothness top μm
Brightness top % 797979
Gloss % 303030
Water absorption top g/m² 303030

White kraftliners range

  • MetsäBoard Classic WKL

  • MetsäBoard Natural WKL

  • MetsäBoard Natural WKL Bright

  • MetsäBoard Prime WKL

  • MetsäBoard Pro WKL

  • White kraftliners