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Global hexamethylene diamine (HMD) production in 2025 is estimated at approximately 1.46 to 2.6 million tonnes, reflecting a mature yet steadily expanding intermediate chemicals market. Supply growth is primarily driven by rising demand for nylon 66 resins and fibers, supported by lightweighting trends in automotive, growth in engineered plastics, and steady expansion in industrial yarns and textiles.
Market conditions balance highly concentrated, capital-intensive production with long asset lifecycles and strong integration advantages. Pricing is closely linked to adiponitrile (ADN) availability, hydrogen costs, energy pricing and plant operating rates. While global demand growth is moderate, capacity additions are strategic and incremental, focused on debottlenecking, process efficiency and integration upgrades rather than widespread greenfield investment.
Production leadership remains concentrated in North America, Europe and East Asia, where integrated ADN-HMD-nylon 66 value chains are established. Many regions remain structurally import-dependent due to the technical complexity and scale requirements of HMD production.
Downstream buyers prioritise supply continuity, consistent purity, long-term contracts and integration reliability.
Polymer-grade HMD dominates demand, as nylon 66 remains the primary downstream application, accounting for the majority of global consumption.
Production economics are highly sensitive to ADN feedstock pricing, hydrogen availability, catalyst life and energy efficiency, making scale and integration decisive competitive factors.
Engineering plastics and fibers dominate demand due to lightweighting, durability and thermal performance requirements across industrial sectors.
Strong integrated capacity with ADN feedstock security and export capability.
Stable demand with emphasis on automotive and specialty plastics, supported by integrated producers.
Fastest-growing consumption region driven by engineering plastics and fiber expansion; partial reliance on imports.
Limited production; potential long-term integration with petrochemical feedstocks.
Minimal production capacity; demand met primarily through imports.
HMD supply begins with petrochemical feedstocks converted to ADN, followed by catalytic hydrogenation, purification and bulk distribution. Downstream buyers include nylon 66 resin producers, fiber manufacturers and specialty chemical companies.
Key cost drivers include ADN pricing, hydrogen and energy costs, catalyst systems, and plant utilisation rates. Trade flows are concentrated, with long-term contracts dominating supply relationships due to limited producer diversity.
The HMD ecosystem includes integrated petrochemical producers, nylon resin manufacturers, fiber producers, automotive OEMs, industrial users and regulators. Strategic themes focus on feedstock integration, operational reliability, cost optimisation and demand resilience.
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Hexamethylene Diamine (HMD) Global Production Capacity and Growth Outlook
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