TMP Pulp Double-Disc Refiner Disc Segment from Canada
Segmented alloy steel discs for thermomechanical pulp (TMP) double-disc refiners treating wood chips into pulp stock. Under HTS 8439.91.10.00 as stock-treating pulp parts.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include hardness testing certificates (Rockwell/Brinell) for wear parts validation
• Segmented design requires packing lists showing complete disc assembly requirements