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Hexamethylene diisocyanate is an aliphatic diisocyanate that goes into high performance polyurethane coatings, most notably automotive refinish and original equipment clearcoats, prized for holding up to sunlight and weathering far better than the aromatic isocyanates it competes with. It also turns up in industrial protective coatings, adhesives, elastomers and a growing slice of wind blade coatings. Production runs through hexamethylenediamine and phosgene chemistry, so chlorine and phosgene conversion costs matter a great deal to the economics. Germany and France have long served as Europe's production base, alongside a growing Chinese presence, with the United States, Thailand, Japan and South Korea rounding out the other producing regions. Demand through 2026 has tracked automotive refinish and industrial coatings activity, both of which have held up reasonably well even as broader construction spending has been mixed.
European prices climbed steadily, then sharply, through the first half of 2026, moving from roughly USD 3.95 per KG in the first quarter to around USD 5.13 per KG in the second, a jump of nearly 30 percent in a single quarter, with spot levels reaching close to USD 5.80 per KG by June. North America has traded even higher, hovering near USD 6.30 per KG in the second quarter on a landed basis. Much of the run up traces back to the collapse of Vencorex, once Europe's key independent HDI producer, which entered court supervised recovery in 2024 and was wound down for good in 2025, leaving Covestro and Wanhua to absorb its former sites and customers and tightening the supply base considerably in the process.
As September 2026 begins, hexamethylene diisocyanate is holding near USD 5.00 to USD 5.80 per KG in Europe, with North America running even higher near USD 6.30 per KG, and both regions are still working through the supply disruption left behind by Vencorex's exit.
The balance of supply and demand for hexamethylene diisocyanate through the rest of 2026 leans cautiously firm. Hexamethylene diamine feedstock costs recovered from Middle East supply disruptions affecting nylon intermediate supply chains. Automotive refinish and aerospace coating demand is recovering with improving vehicle production and air travel activity.
The main upside risk is a sustained hexamethylene diamine cost increase alongside a broad automotive and aerospace coating sector recovery. The main downside risk is continued Chinese HDI production capacity additions and weaker automotive production that limits global price recovery.
| Region | 2026 Price Range (USD/KG) | Outlook |
| Global Average | 3.68 - 4.02 | HMDA firming and automotive demand support the tone |
| United States | 3.94 - 4.28 | Steady automotive and aerospace demand holds it firm |
| China | 2.66 - 3.00 | Large production capacity keeps it the most affordable |
| Germany | 4.68 - 5.02 | High feedstock and energy costs keep it the most expensive |
| India | 3.62 - 3.96 | Growing automotive coating demand holds a firm middle |
US hexamethylene diisocyanate prices averaged USD 4.10/KG in Q1 2026, up 6.2% from USD 3.86/KG in Q4 2025. Firmer hexamethylene diamine feedstock costs from Middle East supply disruptions elevated production expenses. Spring automotive refinish and industrial coating procurement maintained consistent buying.
Why did the price of Hexamethylene Diisocyanate change in Q1 2026 in the United States?
Firmer hexamethylene diamine feedstock costs raised the phosgenation production cost floor. Spring automotive refinish coating and industrial finish procurement lifted buying from coating formulators. Aerospace and marine protective coating demand provided additional consistent buying support.
Chinese hexamethylene diisocyanate prices averaged USD 2.82/KG in Q1 2026, up 6.0% from USD 2.66/KG in Q4 2025, the lowest among the tracked markets. Post-Lunar New Year automotive and industrial coating restocking lifted procurement. Firmer domestic HMDA costs raised the production floor despite large domestic capacity.
Why did the price of Hexamethylene Diisocyanate change in Q1 2026 in China?
Post-holiday automotive and industrial coating restocking lifted procurement from domestic coating producers. Firmer domestic hexamethylene diamine feedstock costs raised the production cost floor. Large domestic capacity kept China the most competitive source despite the quarterly recovery.
German hexamethylene diisocyanate prices averaged USD 4.85/KG in Q1 2026, up 5.2% from USD 4.61/KG in Q4 2025, the highest among the tracked markets. Higher HMDA and energy costs elevated European production expenses. Recovering automotive OEM, aerospace, and industrial coating demand maintained consistent buying.
Why did the price of Hexamethylene Diisocyanate change in Q1 2026 in Germany?
Higher hexamethylene diamine and energy costs elevated European production expenses. Middle East disruptions added import cost premiums to feedstock. Recovering automotive original equipment, aerospace, and industrial coating demand maintained consistent procurement from European formulators.
Indian hexamethylene diisocyanate prices averaged USD 3.78/KG in Q1 2026, up 5.6% from USD 3.58/KG in Q4 2025. Growing automotive coating and refinish demand supported buying. Firmer import-linked HMDA costs raised the production floor through the quarter.
Why did the price of Hexamethylene Diisocyanate change in Q1 2026 in India?
Growing automotive original equipment and refinish coating demand lifted procurement. Firmer import-linked hexamethylene diamine feedstock costs raised the production floor. Middle East freight premiums elevated the landed cost of imported HDI and feedstock.
US hexamethylene diisocyanate prices averaged USD 3.86/KG in Q4 2025, declining on the quarter. Year-end automotive coating procurement slowdown and softer HMDA costs reduced buying urgency near USD 3.86/KG.
Why did the price of Hexamethylene Diisocyanate change in Q4 2025 in the United States?
Year-end automotive refinish and industrial coating procurement slowdown reduced buying urgency. Softer hexamethylene diamine feedstock costs eased the production floor. Adequate domestic supply maintained comfortable availability near USD 3.86/KG.
Chinese prices averaged USD 2.66/KG in Q4 2025, declining on the quarter. Weak year-end automotive demand and large domestic capacity maintained downward pressure. Soft HMDA costs held the market near USD 2.66/KG.
Why did the price of Hexamethylene Diisocyanate change in Q4 2025 in China?
Weak year-end automotive coating demand reduced buying urgency. Large domestic production capacity and competitive pricing maintained downward pressure. Soft HMDA feedstock costs eased the production floor near USD 2.66/KG.
German prices averaged USD 4.61/KG in Q4 2025, declining on the quarter. Reduced automotive and industrial coating demand and softer feedstock costs eased the production floor near USD 4.61/KG.
Why did the price of Hexamethylene Diisocyanate change in Q4 2025 in Germany?
Reduced automotive and industrial coating demand lowered procurement urgency. Softer hexamethylene diamine feedstock costs eased the European production floor. Adequate import availability maintained supply balance near USD 4.61/KG.
Indian prices averaged USD 3.58/KG in Q4 2025, declining slightly. Seasonal automotive procurement slowdown reduced buying. Softer HMDA import costs eased the production floor near USD 3.58/KG.
Why did the price of Hexamethylene Diisocyanate change in Q4 2025 in India?
Seasonal automotive coating and refinish procurement slowdown reduced buying urgency. Softer import-linked hexamethylene diamine costs eased the production floor. The market eased slightly near USD 3.58/KG into year-end.
Global hexamethylene diisocyanate prices rose in Q2 and Q3 2025 on the automotive coating production season before a Q4 softening and a strong Q1 2026 rebound. The average rose from USD 3.575/KG in Q1 2025 to USD 3.642/KG in Q2 and USD 3.685/KG in Q3, eased to USD 3.660/KG in Q4, before surging to USD 3.888/KG in Q1 2026, a net gain of about 8.8% over the window. HMDA feedstock cycles and automotive coating sector demand drove the pattern.
| Quarter | Price (USD/KG) | QoQ Change | Direction |
| Q1 2026 | 3.888 | +6.2% | ↑ Rising |
| Q4 2025 | 3.660 | -0.7% | ↓ Falling |
| Q3 2025 | 3.685 | +1.2% | ↑ Rising |
| Q2 2025 | 3.642 | +1.9% | ↑ Rising |
| Q1 2025 | 3.575 | - | - Stable |
| Q2 2026 | In Progress | - | - In Progress |
Hexamethylene diisocyanate prices showed a Q2-Q3 automotive coating season uptick before a Q4 softening through 2025. The global average opened at USD 3.575/KG in Q1 and closed near USD 3.660/KG in Q4, a full-year gain of about 2.4%. Spring and summer automotive original equipment and refinish coating production supported Q2 and Q3 gains, while the Q4 year-end procurement moderation eased prices before the Q1 2026 recovery.
US prices firmed from about USD 3.78/KG in Q1 2025 to USD 3.86/KG by Q4, a gain of 2.1%. Consistent automotive coating and aerospace finish demand and firming HMDA costs maintained the upward trend through the year.
Chinese prices fell from roughly USD 2.72/KG in Q1 2025 to USD 2.66/KG by Q4, a decline of 2.2%. Large domestic production capacity and competitive pricing maintained downward pressure. China held the lowest price level throughout.
German prices firmed from about USD 4.45/KG in Q1 2025 to USD 4.61/KG by Q4, a gain of 3.6%, the strongest in the dataset. Consistent automotive OEM and industrial coating demand and firm feedstock and energy costs supported the market. Germany maintained the highest price level.
Indian prices firmed from roughly USD 3.45/KG in Q1 2025 to USD 3.58/KG by Q4, a gain of 3.8%. Growing automotive coating and refinish market demand drove the consistent firming through the year.
Expert Market Research: Your Source for Real-Time Hexamethylene Diisocyanate Price Intelligence
Expert Market Research tracks hexamethylene diisocyanate prices continuously across every major producing and consuming region. The team traces causation through hexamethylene diamine and phosgene feedstock economics, automotive and industrial coating sector demand cycles, and regional production capacity. Contact Expert Market Research today for hexamethylene diisocyanate pricing data, bespoke market analysis, and strategic procurement advisory.
*While we strive to always give you current and accurate information, the numbers depicted on the website are indicative and may differ from the actual numbers in the main report. At Expert Market Research, we aim to bring you the latest insights and trends in the market. Using our analyses and forecasts, stakeholders can understand the market dynamics, navigate challenges, and capitalize on opportunities to make data-driven strategic decisions.*
Premium automotive original equipment and refinish coatings take the largest share, where HDI-based hardeners provide UV stability and weatherability. Industrial and architectural coatings, aerospace and marine protective coatings, adhesive and sealant formulations, and textile finishing also consume significant volumes.
The Q1 2026 average was USD 4.10/KG in the United States, USD 2.82/KG in China, USD 4.85/KG in Germany, and USD 3.78/KG in India. Germany remains the highest-priced market.
The global average rose from USD 3.575/KG in Q1 2025 to about USD 3.660/KG in Q4, a full-year gain of around 2.4%. A Q2-Q3 automotive coating season uptick and Q4 softening characterised the year before the Q1 2026 recovery.
Year-end automotive coating and industrial finish procurement slowdown reduced demand. Softer hexamethylene diamine feedstock costs eased the production floor. Adequate supply maintained comfortable availability before the Q1 2026 rebound.
The global average is expected in the USD 3.68 to 4.02/KG range for the rest of 2026, with recovery on firmer hexamethylene diamine costs and improving automotive and aerospace coating sector demand globally.
Germany sits highest on HMDA and energy costs, the United States and India hold a firm middle on automotive and aerospace demand, and China prices lowest on large domestic production capacity.
This report is updated monthly. For real-time pricing intelligence, contact the Expert Market Research team directly.
Prices respond mainly to hexamethylene diamine and phosgene feedstock costs, automotive coating production season cycles, and aerospace sector activity. Vehicle production schedules and Middle East supply events are key signals.
North America, Europe, and Asia Pacific host the largest HDI production capacity tied to nylon intermediate chains. Any hexamethylene diamine cost shift ripples across markets within one to two quarters.
Buyers can use quarterly trends and forecasts to time automotive and aerospace coating contracts around production season cycles, build cover when HMDA signals tightening, and monitor vehicle production schedules as the primary demand signal.
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