Sector guides

Sourcing foam sheet and plastic laminates from China

Plastic foam sheet and boards from China, in PVC, polyurethane, polyethylene or polystyrene, and laminated sheet such as high-pressure laminates, pays 6% UK duty, with no anti-dumping duty. Insulation foam is a construction product, and fire performance matters for any building use. Cambridge China Bridge sources them.

Written by Bono Xu, Founder, Cambridge China Bridge · 3 min read · Updated 2026-09-25

Plastic foam sheet in PVC, PU, PE and PS, high-pressure laminates and reinforced plastic sheet pay 6% UK duty from China. Insulation and fire rules explained.

Aisles of a large supermarket seen from above, shelves fully stocked

A flat 6%

Read from the UK Trade Tariff on 25 September 2026, cellular plates, sheets, film and strip of polystyrene, PVC, polyurethane, regenerated cellulose and other plastics, and other plastic sheet of heading 3921 such as corrugated sheet and high-pressure laminates, carried 6% duty on goods from China, with no anti-dumping measure.

Non-cellular, unreinforced film and sheet are in heading 3920, covered in the plastic film guide. Confirm the commodity code.

UK duty on heading 3921 plastic sheet of Chinese origin, read from the UK Trade Tariff on 25 September 2026.
GoodsCommodity codeDutyAnti-dumping duty on China
Cellular polystyrene sheet, other3921 11 00 906%None
Cellular PVC sheet, other3921 12 00 906%None
Cellular polyurethane sheet, flexible3921 13 10 006%None
Cellular polyurethane sheet, other3921 13 90 006%None
Other cellular plastic sheet3921 19 00 996%None
High-pressure decorative laminates3921 90 41 006%None
Other plastic sheet3921 90 90 006%None

Insulation and fire

Foam boards sold as thermal insulation for buildings are construction products under the retained Construction Products Regulation where a designated standard applies, which means a declaration of performance and UKCA or CE marking. Any sheet used in buildings needs fire classification evidence, and the regulations for external walls restrict combustible materials on relevant buildings, so check the end use first.

Specification

Specify polymer, density, thickness and tolerance, cell structure (open or closed), compression strength, colour and any adhesive backing. For laminates, specify core, surface wear class and thickness. Ask for a UK REACH statement on flame retardants and plasticisers.

Inspection

At inspection, measure thickness and density, check sheet flatness and edges, and weigh bales against the invoice.

Cambridge China Bridge sources foam sheet, insulation boards and plastic laminates, with density, fire evidence and marking settled before the order. See how our sourcing service works.

Frequently asked questions

What is the UK import duty on foam sheet from China?

Read from the UK Trade Tariff on 25 September 2026, cellular plastic sheet and other heading 3921 sheet carried 6% duty from China.

Do insulation boards need UKCA marking?

Where a designated standard applies they are construction products needing a declaration of performance and UKCA or CE marking.

Where is plain plastic film classified?

Non-cellular, unreinforced film and sheet are in heading 3920.

Are high-pressure laminates in heading 3921?

Yes. High-pressure decorative laminates carried 6% duty from China.

Sources

  1. UK Trade Tariff — commodity codes and duty
  2. Regulation (EU) No 305/2011 on construction products (as retained)

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