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Standard Linerboards (North America)

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Standard Linerboards (North America)
Our standard linerboards provide reliable and versatile packaging solutions optimized for strength, flexibility, and diverse industry requirements.

Our comprehensive portfolio of standard linerboards provides exceptional quality that elevates both the appearance and performance of your packaging. With an extensive selection of standard linerboards, Smurfit Westrock offers solutions engineered to meet the unique demands of a wide range of applications. From ultra-lightweight liners to options optimized for high-performance or HazMat packaging, our products help you design right-weighted boxes without sacrificing strength. Our portfolio of standard linerboards delivers: 

Versatile Solutions

Choose from a broad range of linerboard grades—ultra-lightweight to heavy-duty—engineered to address diverse packaging challenges across industries. 

Performance

Achieve optimal box strength, compression, and burst resistance to safeguard contents, including support for HazMat and high-performance applications. 

Design Flexibility

Enable right-weight packaging while maintaining structural integrity for both traditional Mullen class-stamped and ECT packaging. 

Consistent Quality

Rely on linerboards produced to exacting standards, delivering reliable appearance and performance for every shipment. 

Explore Our Portfolio Of Standard Linerboards

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FeatherWeight® Liners 

FeatherWeight® Liners 

Our FeatherWeight® Liners are ultra-lightweight liners engineered to help corrugators design right-weighted packaging that still meets box performance standards. 
EnduraLiner®

EnduraLiner®

Optimized for the production of high-performance packaging structures, EnduraLiner® is available with either 100% recycled fiber or a blend of virgin and recycled fiber.
EnduraLiner® HZ

EnduraLiner® HZ

EnduraLiner® HZ is designed to meet the cobb sizing and basis weight requirements for HazMat packaging and is specified to meet burst or high-performance strength requirements for greater flexibility in designing traditional class stamped or ECT packaging. Optimized for production of high-performance packaging structures, EnduraLiner® HZ is available with either 100% recycled fiber or a blend of virgin and recycled fiber.
EnduraLiner® HP

EnduraLiner® HP

Optimized for production of high-performance packaging structures, EnduraLiner® HP is available with either recycled fiber or a blend of virgin and recycled fiber. EnduraLiner® HP grades are produced to compression standards and do not have upper or lower basis weight limits. 
EnduraLiner® HP MAX

EnduraLiner® HP MAX

Our strongest liner option, EnduraLiner® HP MAX takes high-performance linerboard to new levels and is optimized for the production of high-performance packaging structures.

Additional Product Information

Sustainability  

All Smurfit Westrock North American containerboard mills are certified to the SFI®, PEFC, FSC© Standards. Contact your Smurfit Westrock containerboard sales manager for certified fiber availability for this product.  


Environmental & Product Safety  

Notices under US California Proposition 65 and the EU REACH regulation are not required  

Meets heavy metal limits of the US Model Toxics in Packaging rules and Article 11 of EU Directive 94/62/EC  


Food Contact  

Meets multiple national requirements for food contact packaging, e.g., US and Canada. Contact your Smurfit Westrock containerboard sales manager for information on specific markets and end-uses.  

Quality  

Produced at ISO 9001:2015 registered mills  

 

This information is subject to change without notice.  

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