① Raw material side: The East China ethylene oxide price rose to RMB 9,200/mt, and the domestic ethylene price rose to RMB 9,350/mt.
② Demand side: Downstream buyers were cautious about chasing the highs to replenish stocks, and a strong wait-and-see atmosphere prevailed in the market.
Table 1 Domestic Polycarboxylate Superplasticizer Monomer Price Summary (RMB/mt)
| Market | Specification | 2026/09/10 | 2026/09/11 | Change (RMB/mt) | Change (%) |
|---|---|---|---|---|---|
| East China | EPEG | 10,300–10,500 | 10,800–11,000 | 500 / 500 | 4.85% / 4.76% |
| HPEG | 10,400–10,600 | 10,900–11,100 | 500 / 500 | 4.81% / 4.72% | |
| TPEG | 10,400–10,600 | 10,900–11,100 | 500 / 500 | 4.81% / 4.72% | |
| South China | EPEG | 10,300–10,500 | 10,900–11,100 | 600 / 600 | 5.83% / 5.71% |
| HPEG | 10,400–10,600 | 11,000–11,200 | 600 / 600 | 5.77% / 5.66% | |
| TPEG | 10,400–10,600 | 11,000–11,200 | 600 / 600 | 5.77% / 5.66% | |
| Northeast China | HPEG | 10,400–10,600 | 10,800–11,000 | 400 / 400 | 3.85% / 3.77% |
| EPEG | 10,400–10,600 | 10,800–11,000 | 400 / 400 | 3.85% / 3.77% | |
| TPEG | 10,500–10,700 | 10,900–11,100 | 400 / 400 | 3.81% / 3.74% |
Today, domestic polycarboxylate superplasticizer monomer market prices continued to rise; the price of the related product ethylene glycol fluctuated at a high level, spot ethylene oxide resources in the market remained in short supply, and ethylene oxide prices rose sharply; today, ethylene spot circulation in East China was unusually tight, mainstream producers quoted relatively high prices, derivatives and traders showed rigid-demand buying interest, and high-priced transactions increased in volume today. The ethylene oxide market is supported by fundamentals, with prices running firm at high levels, providing strong cost support; spot monomer supply in the market remains persistently tight, prices have risen to high levels, and new orders are mostly small rigid-demand orders. In summary, the EPEG price in East China, the main market, is expected to reach RMB 10,900–11,100/mt on the next working day.
Today, the capacity utilization rate of the polycarboxylate superplasticizer monomer industry was 24.21%, down month-on-month; the gross profit of HPEG polycarboxylate superplasticizer monomer was RMB 656/mt.
On the next working day, domestic polycarboxylate superplasticizer monomer is likely to run firm; the price of the main raw material ethylene oxide may remain firm at high levels, spot supply in the market will remain tight, ethylene glycol prices are likely to run firm, downstream industries' operating rates will adjust within a narrow range and purchases will be on a rigid-demand basis; ethylene market supply remains tight, but buying interest is price-sensitive, and prices are expected to be largely rangebound; monomer spot liquidity remains tight, downstream procurement will still focus on rigid demand, downstream players are cautious about rapid price increases, deals will be negotiated based on volume, and short-term prices may run firm. In summary, the EPEG price in East China, the main market, is expected to reach RMB 10,900–11,100/mt on the next working day.
① Ethylene oxide (raw material): Ethylene oxide prices are expected to remain firm at high levels. On the supply side, ethylene glycol prices may run high, co-production units tend to produce ethylene glycol, and the shortage of spot ethylene oxide supply in the market has not yet eased; major downstream industries are performing fairly well and consuming steadily; on the cost side, mainstream plants are currently mainly selling by pre-sale, the market's rigid-demand buying atmosphere is fair, prices may continue to rise, and the cost side may provide some support. Overall, the short-term supply and cost sides have support, prices may remain high, and follow-up attention should be paid to upstream and downstream dynamics.
Table 2 Domestic Polycarboxylate Superplasticizer Monomer Data Overview (Unit: 10,000 mt)
| Data | Release Date | Previous Period Data | Expected Trend for Current Period |
|---|---|---|---|
| Sellable Inventory Rate | Thursday 17:00 PM | -30.09% | ↗ |
| Weekly Output | Thursday 17:00 PM | 2.70 (10,000 mt) | ↘ |
| Capacity Utilization Rate | Thursday 17:00 PM | 24.21% | ↘ |
Notes: 1. ↓↑ indicates significant fluctuations, highlighting data dimensions with changes exceeding 3%. 2. ↗↘ indicates narrow fluctuations, highlighting data with changes within 0–3%.
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