The global construction chemicals landscape enters the final week of August 2026 with three forces colliding: feedstock markets reacting to renewed Middle East tensions, long-term demand fundamentals for dry-mix mortar additives strengthening on the back of specification-led procurement, and major multinationals reshaping their geographic footprints through targeted acquisitions. This article unpacks the latest price action in polycarboxylate superplasticizer (PCE) monomers, the upward revision in dry-mix additive market forecasts, and Saint-Gobain’s dual acquisitions in Vietnam and Japan.
PCE Monomer Prices Rebound in Mid-August After Early-Month Softness
China’s PCE monomer market has traced a volatile arc through August 2026. After stabilizing in the first week and softening in early August on weak seasonal demand, prices found a floor and rebounded sharply by mid-month on renewed cost pressure from ethylene oxide (EO) feedstock.
As of August 19, 2026, East China market prices closed at:
- HPEG: RMB 8,650–8,850 per metric ton
- EPEG: RMB 8,550–8,750 per metric ton
- TPEG: RMB 8,600–8,800 per metric ton
These levels represent an increase of roughly RMB 1,100 per ton from end-June 2026, and year-on-year gains of RMB 1,750 per ton for HPEG and RMB 1,650 per ton for EPEG. The core driver has been EO pricing, which climbed to RMB 7,600 per ton in East China by late July and has held firm through August 18. South China EO listed at RMB 7,500–7,600 per ton, North China at RMB 7,400 per ton, and Central China at RMB 6,800–7,750 per ton.
The supply-side story matters as much as the cost side. China’s domestic PCE monomer industry operated at just 23.45 percent utilization in July 2026, with output estimated at 106,000 metric tons. Multiple units were either under maintenance or running at reduced rates: Hainan Oxirane remained offline, Fushun park units underwent 10–21 day shutdowns due to flooding, and Sierbang restarted briefly before shutting again. By early August, operating rates recovered only marginally to roughly 25–26 percent, leaving spot supply tight even as demand remained in its traditional off-season lull.
Downstream construction activity has been suppressed by high temperatures, typhoons, and rainfall across much of China. Buyers have shown limited willingness to accept elevated prices, relying instead on small-lot replenishment and inventory drawdowns. Producer sellable inventory stood at negative 20.57 percent as of August 13, up 3.31 percentage points from the prior week, indicating that inventory pressure is building slowly but remains below normalized levels.
Looking ahead, market participants expect a “strong but range-bound” pattern through late August. The transition from off-season to peak construction demand in September and October could tighten balances further, but downstream margin compression and cautious procurement sentiment may cap the upside.
Dry-Mix Mortar Additives Market Forecast Rises to USD 9.8 Billion by 2036
While short-term feedstock volatility grabs headlines, the structural demand story for dry-mix mortar additives continues to strengthen. A newly updated report from Fact.MR (published August 7, 2026) projects the global dry-mix mortar additives and chemicals market will expand from USD 5.4 billion in 2025 to USD 5.7 billion in 2026, ultimately reaching USD 9.8 billion by 2036 at a 5.6 percent CAGR.
The absolute opportunity over the forecast horizon is estimated at USD 4.1 billion. Key segment shares in 2026 break down as follows:
- Additive type: Cellulose ethers dominate with a 35.0 percent share, driven by their essential role in water retention, workability, and open time.
- Application: Tile adhesives account for 37.0 percent of demand, reflecting global growth in floor and wall installation systems.
- End-use sector: Residential construction captures 41.0 percent, underpinned by housing repair, new-build activity, and renovation cycles.
- Chemical technology: Polymer modification technology holds a 36.0 percent share, supporting adhesion, flexibility, and water resistance.
Country-level growth rates reveal where momentum is strongest: Germany leads at 5.8 percent CAGR, followed by the USA at 5.4 percent, Brazil at 5.1 percent, Indonesia at 4.8 percent, and Turkey at 4.5 percent. Germany’s outperformance reflects specification-led purchasing and stringent building-code compliance, while Brazil and Indonesia benefit from rapid urbanization and infrastructure investment.
Complementary data from IndexBox (August 14, 2026) reinforces this outlook. The global water retention admixtures market, where cellulose ether chemistry accounts for an estimated 70–80 percent of formulated volume, is projected to grow at a 5.8 percent CAGR through 2035, with its market index rising from 100 in 2025 to approximately 175 by 2035. Chinese producers still represent roughly 50–60 percent of global nameplate capacity, though trade defense actions in the European Union and India are incentivizing capacity development outside China.
Meanwhile, the broader cellulose ether thickening polymers market is on track to hit USD 10.5 billion by 2035, according to IndexBox. Construction remains the largest end-use segment at an estimated 45 percent of global volume, with HPMC and MC essential in cement-based dry-mix mortars, tile adhesives, and self-leveling compounds.
Saint-Gobain Acquires in Vietnam and Japan; Xypex Deal Under Australian Review
Saint-Gobain has executed two Asia-Pacific acquisitions in early August 2026, signaling continued conviction in the region’s long-term construction chemicals demand.
On August 6, 2026, the company completed the acquisition of Phu My Innovative Materials (PMIM), a Vietnam-based gypsum wallboard manufacturer with USD 22.9 million in 2025 sales. The deal strengthens Saint-Gobain’s existing Vietnamese network, which already comprises 12 manufacturing sites and over USD 229 million in reported 2025 revenues.
In parallel, Saint-Gobain signed an agreement to acquire a majority stake in AGC Polymer Materials from AGC Corp in Japan. AGC Polymer Materials specializes in polyurethane waterproofing and flooring solutions and recorded approximately EUR 50 million (USD 58.8 million) in annual sales during 2025. The transaction is expected to close in the first quarter of 2027, pending customary approvals. Saint-Gobain’s total sales in Japan reached USD 344 million in 2025, making this bolt-on a meaningful capability extension in waterproofing and industrial flooring.
Both transactions form part of Saint-Gobain’s “Lead & Grow” strategy, which targets expansion in selected Asia-Pacific markets with above-average growth trajectories.
Separately, the company’s proposed acquisition of Xypex Investment Holdings, announced in July 2026, is now under review by the Australian Competition and Consumer Commission (ACCC). The regulator invited submissions through August 25, 2026. The CAD 110 million deal, which would add Xypex’s crystalline waterproofing technology and 170 employees across 100-plus countries, is still expected to close in Q4 2026 subject to regulatory clearances.
India’s Construction Chemicals Sector Crosses INR 24,400 Crore
India remains the most closely watched emerging market for construction chemicals. According to Makreo Research, India’s construction chemicals market reached approximately INR 24,435.88 crore (roughly USD 3.97 billion) in FY2026, having grown at a 10.12 percent CAGR from FY2023. The market is projected to expand at a 7.37 percent CAGR through FY2031, reaching over INR 34,872 crore.
The demand anchor is public capital expenditure, which the government budgeted at INR 12.2 trillion for FY2027, up from INR 11.2 trillion in FY2026. Concrete admixtures hold a 32 percent share of the market, while waterproofing solutions commanded 33.62 percent in 2025 according to Mordor Intelligence. Regional concentration is pronounced: West India accounts for 32 percent of demand, followed by North India at 29 percent, South India at 25 percent, and East India at 14 percent.
Consolidation is accelerating. In June 2026, Astral Limited’s subsidiary Astral Chemie acquired a 60 percent stake in Differentiated and Sustainable Solutions LLP for INR 39.11 crore, a backward-integration move into specialty polyamines and performance additives. BirlaNu (CKA Birla Group) acquired Clean Coats for approximately INR 120 crore in late 2025, adding 275 specialized coating products and export relationships across 27 countries. At the top end, Dorf Ketal entered exclusive negotiations to acquire Italy’s Italmatch Chemicals for approximately USD 1.6 billion, which would rank among the largest specialty chemicals transactions involving an Indian buyer.
Globally, Sika continues to execute its “Fast Forward” efficiency program, targeting CHF 80 million in savings during 2026 and CHF 150–200 million annually from 2028. The company opened new production facilities in Bangladesh, Tanzania, Belgium, Argentina, Colombia, and the United States during the first half of 2026, expanding concrete admixture and mortar capacity on five continents.
Feedstock and Cost Outlook
The ethylene oxide market that underpins PCE monomer chemistry remains in a tight balance. China’s EO industry operated at approximately 51 percent load in mid-August, with producers prioritizing long-term contract deliveries over spot sales. Weekly average profit for EO produced from imported ethylene was RMB 692 per ton as of August 13, up RMB 206 week-on-week, supported by lower upstream ethylene costs and strong ethylene glycol co-product pricing.
Methyl allyl alcohol, another key PCE monomer input, has held stable at RMB 21,000–22,000 per ton. Total monomer production cost was estimated at RMB 8,732 per ton as of August 18, up RMB 832 from end-June and RMB 1,336 year-on-year. With monomer selling prices in the RMB 8,400–8,800 range, margin compression is acute for producers without backward integration into EO.
For downstream dry-mix mortar and concrete admixture formulators, the message is clear: feedstock costs are likely to remain elevated through the September–October peak season, and procurement strategies should account for limited spot availability and extended lead times on cellulose ether and polymer powder orders.
What This Means for the Industry
August 2026 is revealing a market in transition. Short-term PCE monomer pricing is caught between rigid EO cost support and weak seasonal demand, but the underlying supply picture, tight utilization rates, and geopolitical risk premiums suggest limited downside. On the demand side, dry-mix mortar additive forecasts continue to ratchet higher as factory-produced mortar displaces site-mixed product across Asia, Africa, and the Middle East. And at the corporate level, Saint-Gobain’s Asia-Pacific acquisitions and India’s consolidation wave demonstrate that strategic capital is flowing into construction chemicals faster than underlying construction output is expanding, a dynamic that favors scale players with specification-grade product portfolios.
For manufacturers and distributors, the priorities are clear: secure feedstock contracts before the September rush, qualify alternative cellulose ether and RDP suppliers to mitigate geographic concentration risk, and ensure technical documentation meets the increasingly rigorous standards being adopted in Germany, India, and China’s updated GB/T framework.
At Hosechem, we supply high-performance construction chemicals including HPMC, HEMC, HEC, RDP, PCE superplasticizers, and dry-mix mortar additives to formulators and contractors worldwide. Our products are engineered for water retention, workability, adhesion, and durability across tile adhesives, self-leveling compounds, and concrete admixture systems. Contact us today to discuss how our cellulose ethers and polymer powders can strengthen your formulations for the next generation of construction projects.
