Containerboard products for your rollstock needs

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)
• 11 mill locations to meet your needs no matter where you are located

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 26 to 74 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 42 to 74 lb/MSF (205 to 361 gsm)
• Engineered to protect against score cracks 
• Two mill locations to meet your needs

IP’s medium sheets allow for high-speed forming and bonding on the corrugator. Several International Paper mills produce corrugating medium for all your packaging needs, including two facilities dedicated solely to its production. 

• Basis weights ranging from 23 to 45 lb/MSF (112 to 220 gsm)
• Wet strength grades available from 30 to 45 lb/MSF (146 to 220 gsm)
• Seven mill locations to meet your needs no matter where you are located