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 | 2,531,983 |
| Belgium | 2,427,964 |
| Netherlands | 856,732 |
| Germany | 188,280 |
| Canada | 162,701 |
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 | 1,079,028 | 1,452,955 | +373,927 |
| Belgium | 1,314,168 | 1,113,796 | -200,372 |
| Netherlands | 441,310 | 415,422 | -25,888 |
| Germany | 84,040 | 104,240 | +20,200 |
| Canada | 123,481 | 39,220 | -84,261 |
| France | 44,890 | 20,891 | -23,999 |
| Italy | 58,532 | 0 | -58,532 |
| Singapore | 45,576 | 0 | -45,576 |
| Ireland | 25,760 | 17,054 | -8,706 |
| 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 | 2,516,742 |
| United States | 1,956,288 |
| Belgium | 507,010 |
| Poland | 372,474 |
| India | 371,498 |
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 | 1,052,652 | 1,464,090 | +411,438 |
| United States | 1,128,639 | 827,649 | -300,990 |
| Belgium | 264,099 | 242,911 | -21,188 |
| Poland | 172,304 | 200,170 | +27,866 |
| India | 176,487 | 195,011 | +18,524 |
| Canada | 166,012 | 84,241 | -81,771 |
| Singapore | 82,743 | 66,496 | -16,247 |
| Germany | 63,974 | 77,442 | +13,468 |
| 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 | 2 | +1 |
| 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) | 4,596,613 |
| Sea transport (not vehicle on ferry) | 1,750,543 |
| Air transport | 53,902 |
| Other | 28,697 |
| 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) | 2,288,836 | 2,307,777 | +18,941 |
| Sea transport (not vehicle on ferry) | 914,031 | 836,512 | -77,519 |
| Air transport | 31,896 | 22,006 | -9,890 |
| Other | 17,465 | 11,232 | -6,233 |
| 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 | 2,934,554 |
| London | 1,239,648 |
| Immingham Docks | 594,565 |
| Dover | 440,678 |
| Purfleet | 418,230 |
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 | 1,292,339 | 1,642,215 | +349,876 |
| London | 753,312 | 486,336 | -266,976 |
| Immingham Docks | 273,424 | 321,141 | +47,717 |
| Dover | 289,781 | 150,897 | -138,884 |
| Purfleet | 177,484 | 240,746 | +63,262 |
| Eurotunnel | 273,123 | 130,256 | -142,867 |
| 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 |
|
Manufacture of fabricated metal products, except machinery and equipment
|
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+ | 11 |
| 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 | 586,393 |
| United Arab Emirates | 346,215 |
| Ireland | 254,932 |
| Sweden | 152,426 |
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 | 49,135 | 1,695,379 | +1,646,244 |
| India | 182,449 | 403,944 | +221,495 |
| United Arab Emirates | 205,790 | 140,425 | -65,365 |
| Ireland | 125,002 | 129,930 | +4,928 |
| Sweden | 56,244 | 96,182 | +39,938 |
| France | 55,606 | 93,269 | +37,663 |
| Denmark | 105,214 | 18,305 | -86,909 |
| Belgium | 40,696 | 32,355 | -8,341 |
| 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) | 730,596 |
| Air transport | 160,492 |
| 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) | 568,328 | 2,324,166 | +1,755,838 |
| Roll on Roll off (RORO) | 338,030 | 392,566 | +54,536 |
| Air transport | 45,836 | 114,656 | +68,820 |
| 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 | 306,100 |
| Immingham Docks | 285,798 |
| Holyhead | 144,778 |
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 | 205,199 | 1,501,449 | +1,296,250 |
| Southampton | 190,448 | 748,259 | +557,811 |
| Dover / Eurotunnel | 151,676 | 154,424 | +2,748 |
| Immingham Docks | 158,073 | 127,725 | -30,348 |
| Holyhead | 48,526 | 96,252 | +47,726 |
| London Heathrow Airport | 34,763 | 63,813 | +29,050 |
| Felixstowe | 74,419 | 6,937 | -67,482 |
| Liverpool Docks | 55,721 | 18,613 | -37,108 |
| East Midlands Airport | 4,788 | 36,804 | +32,016 |
| London | 0 | 32,355 | +32,355 |
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