Hexcel® HexPly® F149 7500 30 psi pressure, Glass Reinforcement, Polyester Resin System

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Hexcel® HexPly® F149 7500 30 psi pressure, Glass Reinforcement, Polyester Resin System
Categories:	Polymer; Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC
Material Notes:	Description: HexPly® F149 is a structural and electrical grade polyester resin system. It is self-extinguishing and exhibits high laminate strengths. HexPly® F149 can be tailored to any tack and drape, and cures at relatively low temperatures and pressures. It is a good oven cure type prepreg. Benefits and Features 250°F (121°C) Cure Vacuum Bag, Autoclave, or Press Cure Service Temperature up to 300°F (149°C) Meets Requirements of MIL-R-7575C, Grades A and B, Class 0 and 4 Information provided by Hexcel Corporation.
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Physical Properties	Metric	English	Comments

Density	1.85 g/cc	0.0668 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	75.0	75.0
Tensile Strength	359 MPa	52000 psi	Dry
Tensile Modulus	21.4 GPa	3100 ksi	Dry
Flexural Strength	517 MPa	75000 psi	Wet
	552 MPa	80000 psi	Dry
Flexural Modulus	20.7 GPa	3000 ksi	Wet
	21.4 GPa	3100 ksi	Dry
Compressive Strength	372 MPa	54000 psi	Dry
Compressive Modulus	21.4 GPa	3100 ksi	Dry

Electrical Properties	Metric	English	Comments
Dielectric Constant	4.25 @Frequency 8.50e+9 - 1.00e+10 Hz	4.25 @Frequency 8.50e+9 - 1.00e+10 Hz	Dry
	4.33 @Frequency 8.50e+9 - 1.00e+10 Hz	4.33 @Frequency 8.50e+9 - 1.00e+10 Hz	Wet
Dielectric Loss Index	0.0110 @Frequency 8.50e+9 - 1.00e+10 Hz	0.0110 @Frequency 8.50e+9 - 1.00e+10 Hz	Dry
	0.0150 @Frequency 8.50e+9 - 1.00e+10 Hz	0.0150 @Frequency 8.50e+9 - 1.00e+10 Hz	Wet

Processing Properties	Metric	English	Comments
Shelf Life	1.00 Month @Temperature 21.0 °C	1.00 Month @Temperature 69.8 °F
	3.00 Month @Temperature 4.00 °C	3.00 Month @Temperature 39.2 °F
	6.00 Month @Temperature -18.0 °C	6.00 Month @Temperature -0.400 °F

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PHEXCB9191 / 322347

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