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MIBK Market: Significant Rise Followed by Slight Pullback (September 2026)

Published on 2026-09-28
  1. Key Market Focus for the Month

① The U.S. has signaled that the U.S.-Iran conflict is nearing its end, with multiple parties continuing to push for a de-escalation of tensions in the Middle East.

② The average price in China’s MIBK industry stood at 12,647 yuan/ton, an increase of 2,873 yuan/ton month-on-month.

③ Although raw material acetone prices rose significantly, insufficient downstream demand follow-through led to an initial rise followed by a decline in MIBK prices.

  1. Monthly Market Analysis

Table: Domestic MIBK Price Trends and Changes (Monthly)

Region Specification Average Price This Period Average Price Last Period Same Period Last Year MoM Change YoY Change
East China National Standard 12,647 9,774 7,526 29.39% 68.04%
South China National Standard 13,147 10,138 7,876 29.68% 66.92%

Data Source: Chempricehub Information

The MIBK market experienced an initial surge followed by a downturn during this period. The average price in East China was 12,647 yuan/ton, up 29.39% month-on-month. In the first half of the month, MIBK prices surged sharply. Driven by significant gains in international crude oil, raw material acetone prices climbed rapidly, breaking through the 9,000 yuan/ton mark. This increased cost pressure on MIBK producers, creating strong bullish sentiment in the market. Suppliers had robust incentives to raise prices, while downstream buyers entered the market for essential restocking, making low-priced offers scarce and pushing transaction benchmarks higher. However, as MIBK prices continued to climb, downstream order-taking capacity became constrained. Additionally, in the latter part of the month, acetone prices fell below 9,000 yuan/ton, causing cost support to collapse. Holders’ sentiment softened, leading to lower asking prices. With minimal genuine demand, the market center of gravity declined weakly.

  1. Analysis of Market Influencing Factors

(1) During the month, maintenance shutdowns were completed and units restarted. The monthly capacity utilization rate for the MIBK industry was 55.88%.

(2) The increase in the average MIBK price exceeded the rise in production costs, resulting in improved profit margins for MIBK facilities.

  1. Next Month Market Forecast

The MIBK market price is expected to fluctuate at high levels before trending downward next month. Acetone prices are anticipated to remain weak, providing insufficient cost support. Coupled with increased MIBK output and supply, holders’ willingness to sell will gradually rise. Downstream demand follow-through remains moderate; although post-holiday restocking may occur, the cycle is likely short, leading to sluggish procurement later on. Overall, the MIBK market is expected to hold firm initially before retreating. It is recommended to monitor the rate of factory inventory accumulation and changes in cost-side dynamics.

Comments

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  • Priya Kapoor 2026-09-28 20:12
    The 29% MoM surge in China’s MIBK prices, driven by high acetone feedstock costs, proved unsustainable due to weak downstream demand. With capacity utilization at 55.88%, improving margins may not hold if supply increas..
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