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Hexcel® HexPly® M73 Curing Toughened Epoxy Resin
Categories: Polymer; Thermoset; Epoxy

Material Notes: Description: HexPly® M73 is a 350°F (177°C) curing toughened resin with 350°F (177°C) dry and 270°F (132°C) wet service capabilities. HexPly® M73 is formulated for autoclave or press molding and can be cured at 350°F for six hours. A two-hour cure at 350°F with two-hour post-cure at 390°F may also be used. Unidirectional tape and woven fabric impregnated with HexPly® M73 resin will retain tack for 10 or more days at room temperature.

Features:

  • 350°F (177°C) dry and 270°F (132°C) wet service temperature
  • 350°F (177°C) cure
  • Available in broad range of reinforcements for both tapes and fabrics
  • Controlled flow
  • Toughened epoxy exhibiting “co-continuous” morphology
  • Autoclave or press mold processing
  • Excellent hot/wet performance with impact resistance
Applications:
  • Aircraft primary and secondary structures
  • Space structures
  • Any application where impact resistance and lightweight use are required

Information provided by Hexcel Corporation.

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Physical PropertiesMetricEnglishComments
Density 1.29 g/cc0.0466 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength 77.0 MPa11200 psi
Tensile Modulus 142 GPa20600 ksi
Flexural Modulus 3.70 GPa537 ksi
Fracture Toughness 0.945 MPa-m½0.860 ksi-in½K1C
 
Descriptive Properties
G1 C237 J/m2

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PHEXCB9140 / 322296

Specialty Compounds RTP Company

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