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8439.91.90.00/Pulp Refiner Disc Segment/Japan

Pulp Refiner Disc Segment from Japan

Replaceable grooved disc segment for double-disc refiners that mechanically fibrillate pulp fibers to improve paper strength. Falls under HTS 8439.91.90.00 as a part of pulp-making machinery from cellulosic materials. Segments are tailored for specific pulp types like softwood or hardwood.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Provide refiner model compatibility docs; note wear patterns for valuation; beware of classification shifts if sold for non-cellulosic refining