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Sulfite Chemical Woodpulp, Dissolving Grades

Sulfite process chemical woodpulp with ≥88% insoluble fraction and ash ≤0.15%, used in high-purity applications like cellulose derivatives. HTS 4702.00.00 covers this due to strict chapter note criteria for dissolving grades. Commonly sourced from beech or spruce for acetate film production.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

4703Lower: 10% vs 35%

If sulfite pulp failing ash or solubility tests

Non-dissolving sulfite woodpulp for paper goes to 4703, lacking required purity per Chapter 47 note.

4701.00.00.00Same rate: 35%

If semi-chemical sulfite process

Semi-chemical pulps are mechanically enhanced, not pure chemical dissolving grades.

4703.29.00Lower: 25% vs 35%

If for non-coniferous sulfite pulp in bulk paper production

End-use and lower purity shift to general chemical woodpulp category.

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Import Tips & Compliance

Mandatory ash content certification ≤0.15% for sulfite pulp; test both solubility and ash to meet dual criteria

Declare production process explicitly on commercial invoice to distinguish from soda/sulfate variants