Hexcel® HexPly® M76 Curing Epoxy Matrix

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Hexcel® HexPly® M76 Curing Epoxy Matrix
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Description: HexPly® M76 is a versatile curing toughened epoxy resin that can be cured from 275ºF (135ºC) to 350ºF (177ºC), depending on service temperature requirements. HexPly® M76 is formulated for lower temperature autoclave or press mold processing. The recommended lay-up procedure for HexPly® M76 is HSP-L4. The recommended cure procedures are HSP-C5 (275ºF) or HSP-C1 (350ºF). Typical applications for HexPly® M76 include aircraft primary and secondary structures, space structure, and any application where impact resistance and lightweight as well as versatile cure conditions are required. Features: Toughened epoxy exhibiting “co-continuous” morphology Excellent impact resistance Versatile cure temp; 275ºF (135ºC) to 350ºF (177ºC) Controlled flow Available in a broad range of reinforcements for both tapes and fabrics Autoclave or press mold processing Low outgassing Information provided by Hexcel Corporation.
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Physical Properties	Original Value	Comments

Density	1.30 g/cc

Mechanical Properties	Original Value	Comments
Flexural Strength	78.0 MPa @Temperature 121 °C	Wet
	154 MPa @Temperature 23.9 °C
Flexural Modulus	3.00 GPa @Temperature 121 °C	Wet
	3.90 GPa @Temperature 23.9 °C
Compressive Strength	179 MPa

Thermal Properties	Original Value	Comments
Glass Transition Temp, Tg	165 °C	GI, tested @ 9°F/min (5ºC/min)
	173 °C	GII, tested @ 9°F/min (5ºC/min)
	185 °C	Tan Delta, tested @ 9°F/min (5ºC/min)

Processing Properties	Original Value	Comments
Shelf Life	12.0 Month @Temperature -18.0 °C

Descriptive Properties
G1 C	638 J/m2

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PHEXCB9147 / 322303

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