Prepregs & Resins

Resins and resin-impregnated reinforcements for high strength, toughness and structural performance at low weight.
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Discover Our Range of Prepregs & Resins

Hexcel provides a range of prepregs under the HexPly® trademark for aerospace and industrial applications, using specially formulated epoxy, phenolic and BMI resin matrix systems. HexPly® prepregs are reinforced with woven, multiaxial and unidirectional (UD) carbon and glass fibers.

The aerospace industry is the greatest consumer of Hexcel prepregs, for civil aircraft, military jets, helicopters, aero-engines or space satellite and launchers. Hexcel’s range of resin formulations for aerospace prepregs includes a wide range of epoxies for highly loaded parts and supreme toughness; BMI systems for high temperature performance; phenolics for fire, smoke and toxicity performance in aircraft interiors; and cyanate esters for space structures and satellite applications.
Prepregs & Resins

HexPly® Prepregs

HexPly® Prepregs for Aerospace
The aerospace industry is the greatest consumer of Hexcel prepregs, for civil aircraft, military jets, helicopters, aero-engines or space satellite and launchers. 
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Prepregs & Resins

HexFlow® Infusions Resins

HexFlow® Infusion Resins for Aerospace
Resin Transfer Molding (RTM) and Vacuum Infusion are composite manufacturing methods that are particularly suitable for low- to medium-volume production rates, allowing high quality components to be created without using autoclaves.
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Prepregs & Resins

HexMC® Molding Composite

HexMC® is a high performance molding material, suitable for the production of complex shaped parts and specifically designed for compression molding.
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Who We Serve

Where Our Prepregs & Resins Perform

Whether in the air, in orbit, or on the road, Hexcel is a leading supplier of advanced composite materials to the most technologically advanced sectors in the global economy.
Who We Serve
Composite Materials Built for Your Industry
Whether in the air, in orbit, or on the road, Hexcel is a leading supplier of advanced composite materials to the most technologically advanced sectors in the global economy.
Who we Serve

Commercial Aerospace

Who we Serve

Defense & Space

Who we Serve

Industrial

Commercial Aerospace

Hexcel is a leading supplier of carbon fiber, honeycomb and other composite materials for the commercial aerospace industry.

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Our team can guide you to the right solution for your design, scale, and performance targets.

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Technical Resources

Find all the documentation you need to evaluate, specify, and implement Hexcel prepregs and resins.
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Phenolic

Products Description Downloads
200 135°C curing phenolic matrix EU Version
260 135°C curing phenolic matrix EU Version
HT93 135°C curing phenolic matrix EU Version

Epoxy

Products Description Downloads
XF3/300+V24 Composite Surface Film EU Version
913 125°C (257°F) curing epoxy matrix EU Version
913 125°C (257°F) curing epoxy matrix US version
914 175°C curing epoxy matrix EU Version
8552 Mid-Toughened, High Strength,Damage-Resistant, Structural Epoxy Matrix EU Version
8552 Mid-Toughened, High Strength,Damage-Resistant, Structural Epoxy Matrix US version
F185 Resin Systems for Advanced Composites US Version
M18 180°C curing epoxy matrix Global Version
M18/1 180°C curing epoxy matrix EU Version
M20 130°C curing epoxy matrix Global Version
M21 180°C curing epoxy matrix Global Version
M26/M26T 120°C (250°F) curing epoxy matrix EU Version
M42 180°C curing epoxy matrix EU Version
M47 140°C curing epoxy matrix EU Version
M49 120°C curing epoxy matrix EU Version
M56 180°C (350°F) Out-Of-Autoclave Curing Matrix EU Version
M56 180°C (350°F) Out-Of-Autoclave Curing Matrix Global version
M51 180°C (350°F) Curing Epoxy Matrix EU Version
M73 350°F (177°C) curing toughened epoxy resin US Version
M74 350°F (177°C) curing epoxy matrix US Version
M76 275°F (135°C) curing epoxy matrix US Version
M81 135 – 180°C/356°F curing matrix EU Version
M90 110°C Fast Curing Low Pressure Epoxy Matrix Global Version
M91 M91 – 180ºC (350ºF) curing epoxy matrix Global Version
M92 125°C versatile curing epoxy matrix for aerospace structures EU Version
M901 High Tg Epoxy Resin Matrix for Prepregs EU Version
M949 Cosmetic High Tg Epoxy Resin for Prepregs EU Version
M98 Surfacing & Lightning Protection Film EU Version

Cyanate

Products Description Downloads
954-2A 350°F (177°C) curing cyanate resin US Version
954-3 350°F (177°C) curing cyanate matrix US Version
954-6 250°F (121°C) curing cyanate matrix US Version
996 350°F (177°C) curing cyanate matrix US Version

BMI

Products Description Downloads
F655 Resin Systems for Advanced Composites US Version
M65 Toughened Bismaleimide Resin for Advanced Composites US Version

Additional Resources

FAQs

Answers That Power Precision

Get clarity on your most pressing questions about prepregs & resins and their applications.
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A composite material made from combining high performance reinforcement fibers or fabrics with a thermoset or thermoplastic resin matrix. When cured under high temperature and pressure, exceptional structural properties are achieved.

Prepregs are used for a wide range of applications requiring high strength and stiffness combined with low weight. The use of prepreg was pioneered by the aerospace industry, closely followed by developments for sports goods, performance boats, F1 and Indy cars. Recent innovations have included train bogies and wind turbine blades.

Hexcel prepregs are based on four main matrix types: epoxy, phenolic, bismaleimide and cyanate ester. Reinforcements include carbon, glass, aramid and hybrid fibers in both woven and unidirectional form.

Selection is governed by the achievable cure temperature and the maximum service temperature of the component. Consult the prepreg selector guide and Hexcel’s Technical Support department for advice on prepreg selection.

Please note that Hexcel’s lowest temperature curing prepregs are currently HexPly® M34 and HexPly® M79 for industrial applications.

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Please contact your local Customer Service center. It would help us to process your order more quickly if you supplied the following information:

  • Designation
  • Quantity
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  • Specifications