Sector guides

Sourcing electric salt-bath furnaces from China

Electric salt-bath furnaces from China carry 0% UK duty across the relevant heading 8514 lines. Confirm the heating method and classification; machinery must meet applicable safety requirements before supply in Great Britain. Specify the salt chemistry, working temperature and usable bath size. Cambridge China Bridge sources electric salt-bath furnaces.

Written by Bono Xu, Founder, Cambridge China Bridge · 3 min read · Updated 2026-10-25

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UK duty and heating-method classification

Read from the UK Trade Tariff on 1 October 2026, heading 8514 covers industrial or laboratory electric furnaces and ovens, including induction equipment. Other resistance-heated furnaces under 8514 19 80 00 are the starting point for a resistance-heated salt-bath furnace. The table includes alternative heating classifications and parts; these codes are not interchangeable.

All listed lines carry 0% duty for goods from China. The supplied tariff facts show no anti-dumping or countervailing duty, suspensions or attached import controls. Import VAT is normally 20%. Bath salts supplied with the furnace need their own classification and assessment.

Give your broker the heating diagram, intended use and description of the complete shipment to confirm the commodity code. See the wider electric furnace guide for other furnace families.

UK duty on these lines for goods of Chinese origin (one code per row), read from the UK Trade Tariff on 1 October 2026.
GoodsCommodity codeDutyAnti-dumping or countervailing duty on China
Other resistance-heated furnaces, including suitable salt-bath designs8514 19 80 000%None
Induction furnaces, where the salt-bath design uses induction8514 20 10 000%None
Other furnaces, where the heating design fits this residual category8514 39 90 000%None
Other furnace parts, subject to separate classification8514 90 70 000%None

Specify the salt bath and control system

Specify the intended salt composition, workpiece material, working temperature, usable bath dimensions and load arrangement. Ask the maker to identify the bath vessel material, heating arrangement and compatibility with the proposed salt. Agree temperature uniformity under a representative load, recovery after loading, sensor positions and independent over-temperature protection.

Agree supply voltage, electrical demand, extraction connection, lid and loading arrangements, maintenance access and replacement vessel availability. Request instructions for charging, starting, shutting down and cleaning the bath. Define whether salts are excluded from the shipment.

For equipment within the machinery rules, conformity requires essential health and safety requirements to be met, conformity assessment, a declaration of conformity and the relevant marking. The site's wider guide also identifies English instructions and electromagnetic compatibility evidence. Have the exact supplied configuration reviewed through testing and certification.

Worked duty example

Illustrative example, not a quote: Illustrative order of two industrial electric salt-bath furnaces under 8514 19 80 00, invoiced at £64,000 free on board, with £5,500 of freight and insurance to the UK. The customs value is £69,500. Duty at 0% is £0. Import VAT at 20% is charged on the customs value plus duty, £69,500, so it is £13,900. 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

Bath construction: compare vessel material records, joints, usable dimensions, lid fit and element or electrode arrangement with the approved drawing.

Loaded test: witness operation with the agreed salt and representative load; record bath temperatures, recovery and controller overshoot against the purchase specification.

Protection and documents: check earthing, guarding, isolation, interlocks and over-temperature shutdown; match the rating plate, declaration, wiring diagrams and English instructions to the supplied model.

Arrival condition: inspect the vessel, refractory, sensors and electrical cabinet for moisture, cracks and transport damage before commissioning. Use the inspection guide to record discrepancies.

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What goes wrong

A furnace can pass an unloaded temperature demonstration yet fail with the buyer's load. Potential failures include uneven bath temperature, slow recovery, controller overshoot and vessel or heating-component deterioration where the proposed salt is incompatible with the selected materials.

A generic furnace quotation can omit extraction connections, loading fixtures or replacement vessels. Resolve these details before ordering, retain the agreed loaded-test record and compare the delivered equipment with it before acceptance.

Cambridge China Bridge sources these products for UK businesses, checking the factory and the documents before shipment. See factory verification. For components and parts, see sourcing for manufacturers.

Frequently asked questions

What is the UK import duty on electric salt-bath furnaces from China?

The relevant heading 8514 lines carry 0% duty in the supplied tariff facts. No anti-dumping or countervailing duty is listed. Confirm the exact code from the heating design.

Which commodity code applies to a resistance-heated salt-bath furnace?

8514 19 80 00 is the starting point for other resistance-heated furnaces. Ask your broker to confirm it from the heating diagram and intended use.

What should I specify before asking for a quotation?

Salt composition, workpiece material, working temperature, usable bath size, loading arrangement, supply, extraction interface and temperature performance under load.

What should the factory acceptance test demonstrate?

Operation with the agreed salt and representative load, temperature uniformity, recovery after loading, controller behaviour and protective shutdowns against the agreed specification.

Sources

  1. UK Trade Tariff — commodity codes and duty
  2. Supply of Machinery (Safety) Regulations 2008: Great Britain

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