Industrial Unbleached Kraft Board 400 gsm
Industrial unbleached kraft paperboard sheets weighing 400 g/m², produced via the sulfate process. Uncoated and unbleached, these sheets are used for machinery padding and heavy packaging, offering high strength without coating. This product is classified under tariff item 4804.51.00 as unbleached kraft paperboard weighing 225 g/m² or more.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the sheets meet kraftliner strength specifications
Kraftliner has specific burst strength requirements that would place it in a different subheading.
If the paperboard is sack kraft paper weighing 60-115 g/m²
Sack kraft paper has a lower weight range and specific strength properties, making it a distinct classification.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the sheets are rectangular with one side exceeding 43 cm and the other exceeding 56 cm to qualify as 'not converted' if applicable
• Keep documentation of the sulfate process and fiber content for CBSA
• If the sheets are cut to smaller sizes, they may be classified elsewhere, so confirm dimensions before importing
Related Products under Tariff item 4804.51.00
Heavy Duty Unbleached Kraft Board 500 gsm Rolls
Heavy duty unbleached kraft paperboard rolls weighing 500 g/m², made from sulfate wood fibers. Uncoated and unbleached, these rolls are used for pallet separators and industrial mats, providing superior durability. This product falls under tariff item 4804.51.00 as unbleached kraft paperboard weighing 225 g/m² or more.
Unbleached Heavy Kraft Paperboard Sheets 250 gsm
Uncoated unbleached kraft paperboard sheets weighing 250 g/m², made from sulfate process wood fibers. Used for industrial packaging and void fillers, these sheets provide high strength for protective inserts. This product falls under tariff item 4804.51.00 as unbleached kraft paperboard weighing 225 g/m² or more.
Unbleached Kraft Linerboard 300 gsm
Unbleached kraft linerboard rolls weighing 300 g/m², made from at least 80% sulfate process wood fibers. Used as the outer liner for corrugated boxes, this product meets kraftliner specifications with high Mullen bursting strength. It is classified under tariff item 4804.51.00 as unbleached kraft paperboard weighing 225 g/m² or more.
Unbleached Kraft Packaging Paperboard 275 gsm
Uncoated unbleached kraft paperboard rolls weighing 275 g/m², used for manufacturing rigid boxes and inserts. High tensile strength from chemical sulfate pulp makes it suitable for durable packaging. This product falls under tariff item 4804.51.00 as unbleached kraft paperboard weighing 225 g/m² or more.
Unbleached Kraft Testliner 225 gsm Rolls
Unbleached uncoated kraft paperboard rolls weighing 225 g/m², used as inner liner for corrugated fiberboard boxes. Made predominantly from sulfate wood pulp for burst resistance, this product is classified under tariff item 4804.51.00 as unbleached kraft paperboard weighing 225 g/m² or more.
Unbleached Sulfate Kraft Liner 350 gsm Sheets
Sheets of unbleached kraft paperboard weighing 350 g/m², produced via the sulfate process. Used as top liner in shipping containers, these sheets are uncoated for recyclability. This product falls under tariff item 4804.51.00 as unbleached kraft paperboard weighing 225 g/m² or more.