① Raw Materials: East China ethylene oxide (EO) prices rose to RMB 9,700/ton; domestic ethylene prices increased to RMB 9,450/ton.
② Demand: Downstream buyers showed limited enthusiasm for chasing higher prices, resulting in average new order transactions.
Table 1: Price Summary of Domestic Polycarboxylate Superplasticizer Monomers (Unit: RMB/ton)
| Market | Specification | 2026/09/17 | 2026/09/18 | Change Value | Change Rate |
|---|---|---|---|---|---|
| East China | EPEG | 11,500-11,800 | 12,000-12,200 | +500 / +400 | +4.35% / +3.39% |
| HPEG | 11,600-11,900 | 12,100-12,300 | +500 / +400 | +4.31% / +3.36% | |
| TPEG | 11,600-11,900 | 12,100-12,300 | +500 / +400 | +4.31% / +3.36% | |
| South China | EPEG | 11,600-11,900 | 12,100-12,300 | +500 / +400 | +4.31% / +3.36% |
| HPEG | 11,700-12,000 | 12,200-12,400 | +500 / +400 | +4.27% / +3.33% | |
| TPEG | 11,700-12,000 | 12,200-12,400 | +500 / +400 | +4.27% / +3.33% | |
| Northeast China | HPEG | 11,700-11,900 | 12,000-12,200 | +300 / +300 | +2.56% / +2.52% |
| EPEG | 11,700-11,900 | 12,000-12,200 | +300 / +300 | +2.56% / +2.52% | |
| TPEG | 11,800-12,000 | 12,100-12,300 | +300 / +300 | +2.54% / +2.50% | |
| Data Source: Chempricehub Information |
Domestic polycarboxylate superplasticizer monomer prices continued to rise today. On the raw material side, spot resources for ethylene oxide did not see a significant increase, leading to a notable price surge. Regarding ethylene, most producers in the East China region faced no pressure to sell spot inventory externally, resulting in tight market circulation. Meanwhile, downstream essential restocking demand remained, supporting firm spot prices. The fundamental landscape for the ethylene oxide market provided support, pushing prices higher again. Cost-side improvements boosted sentiment, while insufficient spot supply of monomers led them to follow raw material increases. However, downstream buyers were relatively cautious about replenishing at high prices. In summary, the price of EPEG in the main East China market is expected to reach RMB 12,000-12,200/ton on the next working day.
Today, the capacity utilization rate of the polycarboxylate superplasticizer monomer industry stood at 24.21%, representing a period-on-period decline. The gross margin for HPEG was RMB 1,371/ton.
On the next working day, domestic polycarboxylate superplasticizer monomer prices are likely to remain at high levels. Key raw material ethylene oxide prices may continue to trade firmly. The MEG (monoethylene glycol) market may maintain its destocking trend, with prices fluctuating at high levels. Various downstream industries may engage in essential procurement, while many ethylene derivatives enter a downward cycle; market buying interest may persist based on essential needs, keeping prices in strong consolidation. Tight supply conditions for monomers will continue to support the market, although downstream enthusiasm for chasing highs and restocking remains moderate, with a wait-and-see attitude gaining prevalence. Transactions will be negotiated on a case-by-case basis, suggesting short-term prices will trend stronger. In summary, the price of EPEG in the main East China market is projected to be RMB 12,000-12,200/ton on the next working day.
① Ethylene Oxide (Raw Material): Ethylene oxide prices are expected to remain elevated. On the supply side, MEG prices have stayed high, causing co-production units to prioritize MEG production. High raw material costs and tight supply, along with plant shutdowns or reduced rates, further compress EO availability. Major downstream industries are operating steadily, with consumption progressing consistently. On the cost front, mainstream ethylene producers are primarily selling via pre-orders, with no significant changes in market quotes, maintaining cost support. Overall, both supply and cost factors continue to support prices in the short term, driving wide upward movements in ethylene oxide prices. Future attention should be paid to changes in upstream and downstream dynamics.
Table 2: Data Overview of Domestic Polycarboxylate Superplasticizer Monomers (Unit: 10,000 tons)
| Indicator | Release Date | Previous Period Data | Current Period Trend Estimate |
|---|---|---|---|
| Sellable Inventory Rate | Thursday 17:00 PM | -33.86% | ↗ |
| Weekly Output | Thursday 17:00 PM | 3.01 (10k tons) | ↘ |
| Capacity Utilization Rate | Thursday 17:00 PM | 27.01% | ↘ |
| Data Source: Chempricehub Information Note: 1. ↓↑ indicates significant fluctuations, highlighting data dimensions with change rates exceeding 3%. 2. ↗↘ indicates narrow-range fluctuations, highlighting data with change rates within 0-3%. |
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