Soda Chemical Woodpulp, Dissolving Grades from Canada
High-purity soda process chemical woodpulp with an insoluble fraction of 92% or more after caustic soda testing, designed for dissolving in chemical production. It falls under HTS 4702.00.00 as it meets the chapter definition for dissolving grades used in rayon and cellulose acetate manufacturing. This pulp is produced from softwood or hardwood via the soda process without sulfite.
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 insoluble fraction ≥92% via lab test in 18% NaOH at 20°C to confirm dissolving grade classification
• Provide mill certificates showing chemical process (soda) and low ash content to avoid reclassification as non-dissolving pulp