Hexcel® HexPly® M77HF Epoxy System

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Hexcel® HexPly® M77HF Epoxy System
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Description: HexPly® M77HF prepreg is a fiber-reinforced modified epoxy resin system specifically designed for bladder molding or sheet wrap tube applications. Unique chemistry provides fully cured parts in only three minutes at 300°F (149°C). Features Quick cure, three minutes at 300°F (149°C) Available in wide variety of carbon or glass tapes and fabrics High temperature stability for hot de-mold Low viscosity, 10 poise at 230°F (110°C) Applications Golf Shafts Bicycle Components Hockey Sticks Arrow Shafts Fishing Rods Prosthetics Information provided by Hexcel Corporation.
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Physical Properties	Original Value	Comments

Density	1.34 g/cc
Viscosity	1000 cP @Temperature 105 °C	Heat up @10°C
	1000 cP @Temperature 130 °C	Heat up @5°C
	1100 cP @Temperature 105 °C	Heat up @5°C
	1500 cP @Temperature 100 °C	Heat up @2°C
	4.00e+6 cP @Temperature 150 °C	Heat up @10°C
	1.00e+7 cP @Temperature 20.0 °C	Heat up @10°C
	1.00e+7 cP @Temperature 20.0 °C	Heat up @2°C
	1.00e+7 cP @Temperature 120 °C	Heat up @2°C
	1.00e+7 cP @Temperature 20.0 °C	Heat up @5°C

Mechanical Properties	Original Value	Comments
Tensile Strength	81.0 MPa
Elongation at Break	3.70 %
Tensile Modulus	3.45 GPa
Fracture Toughness	1.28 ksi-in½	K_1C

Thermal Properties	Original Value	Comments
Glass Transition Temp, Tg	130 °C	DMTA

Processing Properties	Original Value	Comments
Cure Time	<= 3.00 min @Temperature 149 °C
	<= 5.00 min @Temperature 135 °C
	<= 30.0 min @Temperature 107 °C
Gel Time	3.00 min @Temperature 135 °C
	4.00 min @Temperature 127 °C
	6.50 min @Temperature 121 °C
Shelf Life	18.0 Month @Temperature -18.0 °C

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PHEXCB9154 / 322310

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