HS Code 4704
Sulphite Chemical Wood Pulp
HS code 4704 covers chemical wood pulp processed by sulphite methods, excluding dissolving grades, used for specialty papers and absorbent hygiene products.
HS Code 4704 — Sulphite Chemical Wood Pulp
This pulp is produced using the sulphite process where wood chips are cooked in an acidic solution of bi-sulphites. It creates a lighter-coloured, more easily bleached pulp that is softer and more absorbent than kraft pulp, common in specialty papers.
What's included
- Bleached sulphite pulp
- Unbleached sulphite pulp
- Softwood sulphite pulp
What's excluded
- Sulphate (Kraft) pulp → use
4703(Sulphate (alkaline) processes are distinct from sulphite (acidic) processes.)
Common examples
- Sulphite pulp for greaseproof paper
- Softwood sulphite pulp for tissue paper
- Bleached sulphite pulp for writing paper
Frequently asked questions
Is sulphite pulp stronger than sulphate pulp?
No, sulphite pulp generally has shorter and weaker fibres than sulphate (kraft) pulp but is easier to bleach and refine for specific paper textures.
Trade & shipping notes
- Typical duty range: 0%
- Documentation: Must specify wood type (coniferous vs non-coniferous) for precise entry.
- Typical shipping mode: FCL
- Top exporters: Sweden, Germany, Austria
- Top importers: China, South Korea, France
Related HS codes
Key takeaway
An acidic-processed chemical pulp valued for its softness and bleaching ease, distinct from Kraft pulp.
Related HS codes
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