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Sulfite Dissolving Pulp for Pharmaceutical Cellulose

Ultra-pure sulfite dissolving wood pulp for pharmaceutical-grade cellulose derivatives like microcrystalline cellulose. It meets the strict criteria of heading 47.02 for sulfite dissolving grades, with low ash and high purity.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
πŸ‡¨πŸ‡³ChinaFreeβ€”Free
πŸ‡²πŸ‡½MexicoFreeβ€”Free
πŸ‡ΊπŸ‡ΈUnited StatesFree+50.0%50%
πŸ‡©πŸ‡ͺGermanyFreeβ€”Free
πŸ‡―πŸ‡΅JapanFreeβ€”Free

PGA flags

No agency flag on this HTS number in the CBSA Single Window matching criteria.

CBSA Single Window matching criteria, unknown

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.

3912.31.00Same rate: Free

If importing finished cellulose derivatives

Cellulose ethers and derivatives are classified in chapter 39.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item β€” and can price the duty on it in the same conversation.

Import Tips & Compliance

β€’ Maintain certificates of analysis showing ash content ≀0.15% and insoluble fraction β‰₯88%

β€’ CBSA may request end-use documentation for pharmaceutical applications

β€’ Ensure the pulp is not modified beyond dissolving grade standards

Related Products under Tariff item 4702.00.00

Acetate Tow Grade Dissolving Pulp

Sulfate process dissolving pulp specifically for cellulose acetate tow in cigarette filters. It meets the exacting purity standards for secondary acetate production and qualifies under heading 47.02 as a sulfate dissolving grade.

Alpha Cellulose Dissolving Pulp from Eucalyptus

High-purity sulfate dissolving pulp derived from eucalyptus wood, with over 92% alpha cellulose content and low insoluble fraction after caustic soda testing. It qualifies as a dissolving grade under heading 47.02.

Alpha Pulp Dissolving Grades (Pine)

Alpha pulp from pine softwood with 96% cellulose, designed for viscose processing in non-woven fabrics. Meets the dissolving grade definition under heading 47.02 with an insoluble fraction of 92% or more after caustic soda testing.

Beechwood Dissolving Pulp

Beech hardwood sulfite dissolving pulp used for cellulose ethers. Meets the sulphite dissolving grade criteria with an insoluble fraction of 88% or more and ash content not exceeding 0.15%.

Bleached Softwood Dissolving Pulp for Rayon

Bleached softwood sulfate pulp with 94%+ solubility for premium rayon yarn. This dissolving grade meets the soda or sulphate pulp criteria with an insoluble fraction of 92% or more.

Bleached Sulfite Dissolving Wood Pulp for Sponges

Bleached sulfite dissolving wood pulp produced for regenerated cellulose sponge manufacturing. It meets the dissolving grade criteria of heading 47.02, including the required insoluble fraction and ash content limits, making it suitable for household cleaning products.