Unbleached Containerboard Liner 280 gsm from Canada
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.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify 'unbleached' status accurately – affects brightness testing
• Avoid mixing with bleached stock in same entry to prevent averaging issues
• Confirm no surface sizing; even light treatments shift to coated categories