Kraft vs Test Paper: Which Material Works Best for Single Wall Boxes?
Kraft or test liner? Which paper makes the best single wall boxes for your needs.
Key differences
Quick answer
Kraft for maximum strength and print quality. Test for sustainability and cost savings. Kraft liner uses virgin fibre for the strongest, smoothest paper. Test liner uses recycled fibre for lower cost and better eco credentials. For most e-commerce shipping, test liner is perfectly adequate. For heavy items, high-stack warehousing, or premium printing, kraft provides the extra strength and surface quality.
Strength comparison
Longer virgin fibres create stronger paper.
Items under 10-12kg are well served.
Uses recycled fibre, reducing demand for virgin pulp.
For most e-commerce products it is perfectly adequate.
Which to choose
Frequently asked questions
Kraft, by 15-25% at the same GSM.
Test liner, typically 10-20% less.
Test liner uses recycled fibre.
Yes, for most items under 10-12kg.
Kraft has a smoother surface for sharper printing.
Part of our guide
Product Guide: Single Wall Cardboard Boxes
Expert guides on single wall cardboard boxes for shipping, storage, and e-commerce packaging.
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