Wet Machine Board for Ceiling Tiles from Canada
Wet machine board is a heavy uncoated paperboard weighing over 225 g/m², produced by wet forming process, used as the base material for manufacturing acoustic ceiling tiles. It falls under HTS 4805.93.40.15 as other uncoated paperboard in rolls or sheets, not further worked, meeting the weight threshold and wet machine production method. This board provides structural support and sound absorption properties in construction applications.
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
• Verify grammage exceeds 225 g/m² with lab certification to confirm classification under 4805.93.40.15
• Ensure documentation proves wet machine production process to avoid reclassification as pressed board
• Check for any surface treatments that could shift to coated paperboard headings like 4810