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HS Code 390311 Price per Ton
In September 2026 the median price for HS code 390311 (Expandable Polystyrene. (Eps)) was USD 1,412 per metric ton, based on 10 prices. That is down 8.3% from August. Across January to September 2026 the monthly median ranged from 1,139 to 1,780 USD. The median uses 67 USD prices from 5 origin countries. Prices are in US dollars.
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Monthly median price (USD per metric ton)
The line is the monthly median. Bars run from the lowest to the highest price. Hollow dots have fewer than 3 prices.
| Month | Median per MT (USD) | Prices | Low | High |
|---|---|---|---|---|
| January 2026 | 1,139 | 6 | 719 | 1,195 |
| February 2026 | 1,210 | 7 | 1,080 | 1,240 |
| March 2026 | 1,290 | 11 | 1,200 | 1,345 |
| April 2026 | 1,385 | 9 | 1,270 | 1,720 |
| May 2026 | 1,780 | 10 | 1,690 | 1,850 |
| June 2026 | 1,745 | 7 | 1,200 | 1,872 |
| July 2026 | 1,735 | 3 | 1,570 | 1,755 |
| August 2026 | 1,540 | 4 | 1,370 | 1,565 |
| September 2026 | 1,412 | 10 | 1,355 | 1,570 |
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Prices by country, September 2026
| Country | Currency | Prices | Median per MT | Low | High |
|---|---|---|---|---|---|
| Taiwan, Province of China | USD | 7 | 1,430 | 1,355 | 1,530 |
| China | USD | 3 | 1,395 | 1,390 | 1,570 |
Supplier details
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Prices are per metric ton in US dollars. Medians exclude prices marked for review (more than 3 times or less than a third of the median for the code and currency). Months with fewer than 5 prices are indicative only.