Lead-in: Entering August, the vinyl acetate market is caught in a tangle of interwoven bullish and bearish factors. Raw material costs fluctuated, domestic production units gradually returned to operation, downstream demand remained limited to essential off-season procurement, and the anticipated pre-peak-season stockpiling did not materialize—so prices drifted lower over the month.
In early August, the supply increase from units that had been under maintenance had not yet fully materialized, leaving spot resources generally tight. Inventory pressure at mainstream producers was limited, and holders were reluctant to sell at low prices, keeping offers at mid-to-high levels. Downstream buyers only followed up on essential needs and had limited tolerance for high-priced goods, with most purchases executed under contracts. Spot new orders lacked sufficient volume, creating a standoff between supply and demand. As some maintenance units entered the restart phase, industry operating rates were expected to keep recovering, and the anticipated increase in spot supply weighed on high prices. High-end negotiation levels softened slightly from earlier, but the tight spot balance had not been completely reversed, and mainstream offers remained stable at high levels.
In the first half of the month, supply-side units that had been under maintenance—Sinopec Great Wall Energy's 450,000 t/y unit, Xiangwei's 200,000 t/y unit, and LyondellBasell's 90,000 t/y unit—resumed operations one after another. The overall industry operating rate rose steadily, market circulation turned gradually looser, and spot supply pressure intensified. Downstream buyers stayed conservative in procurement, with no bulk replenishment activity. Meanwhile, weakening cost support led holders to increase price concessions, and local market prices continued to fall. However, some enterprises still executed contracts and maintained a firm pricing stance, keeping external offers stable. The vinyl acetate industry thus showed a pattern of ample supply and insufficient demand follow-through: holders actively discounted to move goods, low-priced supplies impacted the market, and the room for negotiation continued to widen.
In the latter half of the month, vinyl acetate supply grew increasingly ample. Some plants saw inventories continue to accumulate and, under sales pressure, actively offered discounts to move product. Downstream maintained mostly essential procurement, end-user demand was weak, and the market lacked strong buying support. Export orders also showed no significant increase, providing only modest support. Although raw material support strengthened, it was insufficient to offset the downward pressure from weak supply-demand fundamentals. Market sentiment turned notably bearish, and the negotiation center shifted steadily lower. As of today, taking the East China market as an example, the high-to-low negotiation range is 6,150–6,200 yuan/mt, down 7.49% from the beginning of the month.
The monthly average prices of vinyl acetate's key upstream raw materials—glacial acetic acid, ethylene, and calcium carbide—all trended upward, providing some cost support for vinyl acetate. However, weak downstream pass-through meant that cost support was not enough to reverse the soft market. Meanwhile, ethylene fluctuated within a range tracking crude oil, and on the cost side it mainly limited the downside rather than driving prices higher.
In early September, Shenghong Refining & Chemical's 300,000 t/y vinyl acetate unit on the supply side is running steadily. Even at full capacity, surplus vinyl acetate continues to flow into the spot market. There are no clear maintenance plans among supply-side units, and the industry operating rate remains high, so the market may continue its weak, rangebound trend. The market still holds some expectations for the traditional "Golden September, Silver October" peak season. Terminal orders may improve, and downstream replenishment enthusiasm could rise from earlier levels. EVA units previously under maintenance are now running smoothly, adding to vinyl acetate demand. Combined with restricted logistics during the National Day holiday, the spot market may show a phased rebound before the holiday. In the mid-to-late part of the month, concentrated downstream stockpiling is expected to boost actual transaction volumes, but ample supply will limit the momentum for a significant price rally. Overall, September's vinyl acetate market is set to remain a tug-of-war between high supply and peak-season demand. Upside price potential will be capped by abundant supply, and prices are expected to fluctuate at low levels before inching up, with the monthly average still trending downward.
Looking ahead to October, no clear maintenance plans are indicated on the vinyl acetate supply side, and the overall industry operating rate is expected to remain high. Commodity supply within the month will be ample, keeping supply-side pressure in place. After the National Day holiday, downstream plants will gradually resume production, and pre-holiday stockpiles will be consumed step by step, returning the market to essential procurement mode. In the mid-to-late month, as the peak-season effect gradually fades, some downstream sectors will enter the tail end of their busy season. With temperatures cooling in northern regions, traditional end-demand from industries such as adhesives and coatings is set to weaken marginally. Downstream replenishment will mainly focus on inventory consumption and need-based purchasing, with little appetite for large-scale stockpiling. Ample spot supply will continue to pressure prices, and the price trend for the month is expected to show a period of rangebound fluctuation followed by a sustained decline.
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