Sourcing natural hydromagnesite powder from China
The supplied heading 2530 lines all carry 0% UK duty for China, with no listed trade remedies. Confirm natural hydromagnesite powder's classification from its composition and processing. Before selling in Great Britain, check chemical classification, labelling and packaging duties. Cambridge China Bridge sources natural hydromagnesite powder.
Zero duty, subject to confirming the mineral
Read from the UK Trade Tariff on 1 October 2026, heading 2530 covers mineral substances not elsewhere specified or included. Its residual line, 2530 90 70 90, is a candidate for natural hydromagnesite powder, subject to classification confirmation. The supplied facts contain only this potentially relevant line; the other lines describe different minerals. For wider heading coverage, see vermiculite and perlite.
The supplied lines carry 0% duty for goods from China, with no listed anti-dumping or countervailing duty and no listed suspension. The tariff attaches import and export waste controls. If material from China is waste subject to notification, shipment must await consent from the relevant authorities. Confirm the waste status and applicable procedure with your customs broker before shipment.
Give your broker the mineral analysis, mine origin, processing description and details of any coating or additives. Do not confirm classification from the trade name alone. Use finding your commodity code before ordering, especially where the supplier offers synthetic, treated or blended material.
| Goods | Commodity code | Duty | Anti-dumping or countervailing duty on China |
|---|---|---|---|
| Other mineral substances: candidate line for natural hydromagnesite powder | 2530 90 70 90 | 0% | None |
Specify mineral identity and powder performance
Specify natural hydromagnesite powder explicitly. Ask for mine origin, mineral-phase identification and a description of extraction, grinding and any subsequent treatment. Agree the hydromagnesite content and accompanying mineral composition, particle-size distribution, moisture, colour and bulk density. Require the supplier to disclose coatings and additives rather than treating them as an undocumented processing detail.
For a filler or flame-retardant formulation, trial the powder in your actual compound. Agree dispersion, processing behaviour and thermal-analysis results against the approved sample. Keep moisture testing separate from thermal decomposition testing so that the reported result has a clear meaning.
Before placing the powder on the Great Britain market, confirm the applicable chemical classification, labelling and packaging requirements with HSE. Check whether UK REACH registration is required for your supply. Keep the supplier's safety information alongside the composition and processing evidence; a mineral trade name is insufficient for this review.
Worked duty example
Illustrative example, not a quote: Illustrative order: 25 tonnes of natural hydromagnesite powder in lined bulk bags under 2530 90 70 90, invoiced at £9,000 free on board, with £3,200 of freight and insurance to the UK. The customs value is £12,200. Duty at 0% is £0. Import VAT at 20% is charged on the customs value plus duty, £12,200, so it is £2,440. With no duty, the only import tax is the VAT, which a VAT-registered importer can usually reclaim. The import duty and VAT guide explains each step.
Inspection checklist
Identity: match the batch analysis and mineral-phase report to the agreed mine source and approved sample.
Powder: compare particle-size distribution, moisture, colour and bulk density using the agreed test methods.
Application: trial a retained batch sample for dispersion and processing behaviour; compare thermal results where relevant.
Packing: inspect liners, seams, closures and pallet condition for leakage or water damage; match bag markings to batch documents on arrival.
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What goes wrong
A supplier can substitute another magnesium-bearing powder or change the accompanying mineral mix while keeping the same commercial description. A chemical assay alone may miss that change. Coarse particles, agglomerates or inconsistent moisture can then alter dispersion and processing. Compare mineral identity as well as bulk chemistry before accepting the shipment.
Damaged liners allow moisture uptake and powder leakage. Reports may describe the approval sample rather than the shipped batch, while coatings or additives appear only after production. Agree batch-linked reports and retained samples before dispatch, then quarantine discrepant bags on arrival. See quality inspection explained for organising the checks.
Cambridge China Bridge sources these products for UK businesses, checking the factory and the documents before shipment. See factory verification. For repeat volumes, see container programmes.
Frequently asked questions
What is the UK import duty on natural hydromagnesite powder from China?
The supplied heading 2530 lines carry 0% duty for China. The candidate residual line is 2530 90 70 90, subject to confirming the powder's classification. No trade remedy or suspension is listed.
Is hydromagnesite powder the same as magnesium carbonate powder?
Do not accept the commercial name as proof of identity. Ask for mineral-phase identification, composition and processing details to establish what the supplier is actually offering.
What should I specify when buying natural hydromagnesite powder?
Specify mine origin, mineral composition, particle-size distribution, moisture, colour, bulk density and any surface treatment. Trial it in your intended formulation against an approved sample.
Do waste controls apply to natural hydromagnesite powder?
The tariff attaches waste controls. Confirm the material's waste status with your broker. Where notification controls apply, shipment must await consent from the relevant authorities.