Hexamethylene Diamine (HMD)


Hexamethylene Diamine (HMD)

Ascend Performance Materials has been one of the world’s leading producers of hexamethylene diamine (HMD) for decades.

Ascend produces HMD in two world-scale facilities in Pensacola, Florida, and Decatur, Alabama.

Ascend ships HMD in a variety of package sizes, including rail cars, tank trucks, ISO containers, bulk ships and 55-gallon drums, via our established, efficient global distribution network. We offer grades that vary in water content, from anhydrous to 70% HMD.

Hexamethylene diamine uses

  • Nylon 66 and specialty nylons
  • Isocyanates for polyurethanes
  • Specialty adhesives

Ascend advantages

  • World-scale plants in the southeastern United States
  • Decades of safe operations, delivery and use
  • Industry-leading reliability
  • Continued investments in unique process technologies
  • Focused commitment to our markets and customers
  • Responsive sales and customer service organizations

Learn more about Hexamethylene Diamine (HMD)


Ascend Performance Materials announces global price increase for all Vydyne® brand polymers and compounds

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