Semi-Chemical Linerboard 250 gsm Rolls
Linerboard made from semi-chemical pulp processes (less than 80% sulfate), weighing 250 g/m² in large rolls for corrugator machines. Provides strength for box liners in shipping containers. Classified in 4805.93.40.30 as other uncoated linerboard over 225 g/m² with non-dominant sulfate pulp.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used as fluting paper with ≥65% unbleached hardwood semi-chemical pulp
Semichemical fluting has specific CMT crush resistance requirements under 4805.11.
If configured as sack kraft paper (60-115 g/m²)
Much lighter weight and specific tensile/tear specs define sack kraft in 4804.21.
If cut to size and further processed into filter paper
Finished paper articles beyond basic rolls/sheets fall under heading 4823.
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Import Tips & Compliance
• Obtain supplier test reports showing pulp blend; semi-chemical often borders sulfate thresholds
• Check roll dimensions and weight uniformity to avoid grammage disputes at customs
• Avoid coated versions – coatings move classification to heading 4810
Related Products under HTS 4805.93.40.30
Recycled Content Linerboard 300 gsm
Uncoated linerboard in rolls weighing 300 g/m², produced with less than 80% chemical sulfate wood pulp, primarily using recycled fiber content. Used as the outer layer in corrugated boxes for packaging consumer goods. Falls under HTS 4805.93.40.30 due to its weight over 225 g/m² and non-sulfate dominant pulp composition.
Mechanical Pulp Linerboard 225 gsm Sheets
Uncoated linerboard sheets at exactly 225 g/m² basis weight, derived from mechanical wood pulp with minimal sulfate content. Suitable for manufacturing heavy-duty packaging facings. Meets HTS 4805.93.40.30 for linerboard ≥225 g/m² and <80% chemical sulfate pulp.
High-Strength Recycled Linerboard 350 gsm
Heavyweight linerboard (350 g/m²) incorporating over 50% recycled content and balance mechanical pulp, totaling <80% sulfate fibers. Designed for export pallet wrap boxes. HTS 4805.93.40.30 applies to this uncoated, heavy linerboard configuration.
Unbleached Containerboard Liner 280 gsm
Unbleached linerboard for containerboard production, 280 g/m² with mechanical/semi-chemical pulp blend (<80% sulfate). Provides durable outer ply for double-wall corrugated. Fits 4805.93.40.30 as heavy, uncoated other linerboard.
Economy Grade Linerboard 230 gsm Rolls
Cost-effective linerboard rolls at 230 g/m² using groundwood mechanical pulp with <20% sulfate addition. Common for domestic packaging liners. Classified under HTS 4805.93.40.30 for ≥225 g/m² linerboard with low sulfate content.