Packaging grades

liner

Liner

Choose from a diverse selection of weights, trim widths, recycled content levels and specifications that meet both domestic and international requirements.

  • Available in standard, high performance and wet strength liners
  • Basis weights ranging from 20.5 to 96 lb/MSF (100 to 469 gsm)
  • High performance grades for superior stacking strength
  • Standard mullen/burst grades to meet Rule 41 / Item 222 requirements
  • Wet strength grades available from 35 to 96 lb/MSF (170 to 469 gsm)
White top

White Top

Choose IP’s premium quality white top liners, designed for the printing surface of corrugated containers, display trays and point of purchase (POP) displays. This superior printing surface is perfect for both flexographic and direct print applications.

  • Basis weights ranging from 25 to 69 lb/MSF (126 to 361 gsm)
  • High performance grades for superior stacking strength
  • Standard mullen/burst grades to meet Rule 41 / Item 222 requirements
  • Wet strength grades available from 33 to 69 lb/MSF (205 to 361 gsm)
medium

Medium

IP’s medium sheets allow for high-speed forming and bonding on the corrugator. Our mills produce corrugating medium for all your packaging needs, with basis weights ranging from 23 to 45 lb/MSF (112 to 220 gsm).

Our Expertise

Technical Services

Technical Services

Seamless operations in paper converting are critical. That's why we offer customized technical support services, which cater to your specific needs and enhance the efficiency of your operations.

Our highly skilled team is dedicated to providing immediate solutions to any challenges you may face, and they offer expert recommendations for long-term improvements to optimize your manufacturing processes.

  • Comprehensive support through centralized Technical Services group and on-site quality teams
  • Advanced laboratory and product testing facilities at each containerboard mill
  • Product analysis available from independent analytical laboratories
  • Prompt and efficient resolution through remote assistance when necessary
  • Maximize packaging efficiency with our detailed analysis