Import/export HS code 400231: Isobutene-isoprene rubber (IIR)
A type of synthetic rubber, also known as butyl rubber, used for inner tubes and seals
Why this is important if you are looking for potential customers in the UK:
- It helps you understand the market size for your product in the UK.
- It provides you with a list of potential leads who have bought similar products.
* UK only, last 24 months analysed
Imports by country
What this shows: Import market volume by exporter country into the UK.
Top 5 values
| Country | £ |
|---|---|
| China | 2,433,181 |
| Belgium | 2,336,848 |
| Netherlands | 831,626 |
| Germany | 179,583 |
| Canada | 116,872 |
Countries rank shift: first 12 months vs second 12 months
What this shows: Countries are on both sides of the Sankey. Left side is sorted by first 12-month volume, right side by second 12-month volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| China | 1,182,792 | 1,250,389 | +67,597 |
| Belgium | 1,350,180 | 986,668 | -363,512 |
| Netherlands | 463,682 | 367,944 | -95,738 |
| Germany | 75,343 | 104,240 | +28,897 |
| Canada | 77,652 | 39,220 | -38,432 |
| France | 44,890 | 20,891 | -23,999 |
| Italy | 58,532 | 0 | -58,532 |
| Singapore | 45,576 | 0 | -45,576 |
| Ireland | 26,745 | 15,872 | -10,873 |
| United States | 26,630 | 11,908 | -14,722 |
Imports by country of origin
What this shows: Import volume by production origin country. Differences from exporter-country data can indicate re-export routes.
Top 5 values
| Origin | £ |
|---|---|
| China | 2,417,940 |
| United States | 1,889,960 |
| Belgium | 466,469 |
| India | 371,498 |
| Poland | 363,121 |
Country of origin rank shift: first 12 months vs second 12 months
What this shows: Origin countries are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Origin | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| China | 1,156,416 | 1,261,524 | +105,108 |
| United States | 1,189,823 | 700,137 | -489,686 |
| Belgium | 225,270 | 241,199 | +15,929 |
| India | 186,531 | 184,967 | -1,564 |
| Poland | 182,944 | 180,177 | -2,767 |
| Canada | 120,183 | 84,241 | -35,942 |
| Singapore | 98,088 | 51,151 | -46,937 |
| Germany | 55,169 | 77,442 | +22,273 |
| Saudi Arabia | 78,599 | 0 | -78,599 |
| Netherlands | 12,305 | 0 | -12,305 |
Importers across UK regions
What this shows: Number of importing companies by UK ITL2 region.
Top 5 values
| UK region | Companies |
|---|---|
| Berkshire, Buckinghamshire and Oxfordshire | 3 |
| West Midlands | 3 |
| Greater Manchester | 2 |
| Herefordshire, Worcestershire and Warwickshire | 2 |
| Shropshire and Staffordshire | 2 |
UK regions rank shift: first 12 months vs second 12 months
What this shows: UK regions are on both sides of the Sankey. Left side is sorted by first 12-month importer count, right side by second 12-month importer count, so rank changes are visible from line crossings.
Top 10 values
| UK region | First 12m | Second 12m | Delta |
|---|---|---|---|
| Berkshire, Buckinghamshire and Oxfordshire | 1 | 3 | +2 |
| West Midlands | 2 | 3 | +1 |
| Greater Manchester | 1 | 1 | +0 |
| Herefordshire, Worcestershire and Warwickshire | 1 | 1 | +0 |
| Shropshire and Staffordshire | 2 | 2 | +0 |
| Suffolk | 2 | 0 | -2 |
| Bedfordshire and Hertfordshire | 0 | 1 | +1 |
| Derbyshire and Nottinghamshire | 1 | 1 | +0 |
| Essex | 1 | 0 | -1 |
| Hampshire and Isle of Wight | 1 | 0 | -1 |
Import volume by transport
What this shows: Import value by transport mode used to bring goods into the UK.
Top 5 values
| Transport | £ |
|---|---|
| Roll on Roll off (RORO) | 4,438,652 |
| Sea transport (not vehicle on ferry) | 1,638,846 |
| Air transport | 53,902 |
| Other | 28,608 |
| Road transport | 3,660 |
Transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Roll on Roll off (RORO) | 2,459,666 | 1,978,986 | -480,680 |
| Sea transport (not vehicle on ferry) | 851,943 | 786,903 | -65,040 |
| Air transport | 31,896 | 22,006 | -9,890 |
| Other | 18,558 | 10,050 | -8,508 |
| Road transport | 0 | 3,660 | +3,660 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Felixstowe | 2,789,923 |
| London | 1,176,941 |
| Immingham Docks | 573,080 |
| Dover | 433,104 |
| Purfleet | 406,748 |
Port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Felixstowe | 1,387,708 | 1,402,215 | +14,507 |
| London | 752,390 | 424,551 | -327,839 |
| Immingham Docks | 251,939 | 321,141 | +69,202 |
| Dover | 320,544 | 112,560 | -207,984 |
| Purfleet | 183,059 | 223,689 | +40,630 |
| Eurotunnel | 283,763 | 110,263 | -173,500 |
| London Gateway Port | 114,291 | 13,705 | -100,586 |
| Killingholme | 0 | 51,468 | +51,468 |
| Dover / Eurotunnel | 0 | 46,192 | +46,192 |
| London Heathrow Airport | 16,556 | 13,960 | -2,596 |
Importer companies by SIC division
What this shows: Industry breakdown (SIC divisions) of importing companies.
Top 5 values
| SIC | Companies |
|---|---|
|
Wholesale trade, except of motor vehicles and motorcycles
|
7 |
|
Manufacture of other non-metallic mineral products
|
3 |
|
Manufacture of rubber and plastic products
|
3 |
|
Office administrative, office support and other business support activities
|
3 |
|
Retail trade, except of motor vehicles and motorcycles
|
2 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2026-05 | 6 |
| 2026-04 | 3 |
| 2026-03 | 7 |
| 2026-02 | 4 |
| 2026-01 | 7 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| BOSTIK LIMITED | 46 |
| SOUDAL (UK) LIMITED | 45 |
| PYROGUARD UK LIMITED | 26 |
| THERMOSEAL GROUP LIMITED | 19 |
| FATRA U.K. LIMITED | 15 |
| NITTO DENKO UK LTD. | 15 |
| PIRELLI UK TYRES LIMITED | 15 |
| HS BUTYL LIMITED | 13 |
| TER (UK) LIMITED | 11 |
| CALDIC (UK) LTD | 9 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 54m+ | 10 |
| 1m-15m | 7 |
| 15m-54m | 6 |
| 0-1m | 1 |
Import seasonality
What this shows: Average monthly import pattern from historical data.
Exports by country
What this shows: Export market volume by destination country from the UK.
Top 5 values
| Country | £ |
|---|---|
| Singapore | 1,744,514 |
| India | 580,792 |
| United Arab Emirates | 346,215 |
| Ireland | 251,144 |
| Sweden | 149,064 |
Export countries rank shift: first 12 months vs second 12 months
What this shows: Destination countries are on both sides of the Sankey. Left side is sorted by first 12-month export volume, right side by second 12-month export volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Singapore | 79,770 | 1,664,744 | +1,584,974 |
| India | 176,848 | 403,944 | +227,096 |
| United Arab Emirates | 205,790 | 140,425 | -65,365 |
| Ireland | 131,092 | 120,052 | -11,040 |
| Sweden | 89,098 | 59,966 | -29,132 |
| France | 64,781 | 84,094 | +19,313 |
| Denmark | 105,214 | 18,305 | -86,909 |
| Belgium | 52,664 | 20,387 | -32,277 |
| United States | 8,982 | 44,240 | +35,258 |
| Australia | 37,747 | 11,156 | -26,591 |
Exports by country of origin
What this shows: Export volume by production origin country. For re-exports, indicates where goods originated before UK export.
Top 5 values
| Origin | £ |
|---|---|
| Ireland | 2,236 |
| XI | 79 |
Export origin countries rank shift: first 12 months vs second 12 months
What this shows: Origin countries are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Origin | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Ireland | 238 | 1,998 | +1,760 |
| XI | 79 | 0 | -79 |
Export volume by transport
What this shows: Export value by transport mode used to ship goods from the UK.
Top 5 values
| Transport | £ |
|---|---|
| Sea transport (not vehicle on ferry) | 2,892,494 |
| Roll on Roll off (RORO) | 721,051 |
| Air transport | 154,891 |
| Other | 2,885 |
Export transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Sea transport (not vehicle on ferry) | 618,874 | 2,273,620 | +1,654,746 |
| Roll on Roll off (RORO) | 379,342 | 341,709 | -37,633 |
| Air transport | 40,235 | 114,656 | +74,421 |
| Other | 887 | 1,998 | +1,111 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| London Gateway Port | 1,706,648 |
| Southampton | 938,707 |
| Dover / Eurotunnel | 303,705 |
| Immingham Docks | 282,436 |
| Holyhead | 143,736 |
Export port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| London Gateway Port | 206,093 | 1,500,555 | +1,294,462 |
| Southampton | 223,720 | 714,987 | +491,267 |
| Dover / Eurotunnel | 158,456 | 145,249 | -13,207 |
| Immingham Docks | 190,927 | 91,509 | -99,418 |
| Holyhead | 52,154 | 91,582 | +39,428 |
| London Heathrow Airport | 29,162 | 63,813 | +34,651 |
| Felixstowe | 74,419 | 6,937 | -67,482 |
| Liverpool Docks | 52,975 | 18,613 | -34,362 |
| East Midlands Airport | 4,788 | 36,804 | +32,016 |
| London | 11,968 | 20,387 | +8,419 |
Quick facts
HS code: 400231
Coverage: United Kingdom, most metrics for the last 24 months
Description: A type of synthetic rubber, also known as butyl rubber, used for inner tubes and seals