Hexcel® HexPly® F149 1581 Autoclave, Glass Reinforcement, Polyester Resin System

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Hexcel® HexPly® F149 1581 Autoclave, 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	70.0	70.0
Tensile Strength	359 MPa	52000 psi	Wet
	386 MPa	56000 psi	Dry
Tensile Modulus	22.1 GPa	3200 ksi	Wet
	23.4 GPa	3400 ksi	Dry
Flexural Strength	496 MPa	72000 psi	Wet
	524 MPa	76000 psi	Dry
Flexural Modulus	22.8 GPa	3300 ksi	Dry
	22.8 GPa	3300 ksi	Wet
Compressive Strength	345 MPa	50000 psi	Wet
	427 MPa	62000 psi	Dry
Compressive Modulus	23.4 GPa	3400 ksi	Wet
	24.1 GPa	3500 ksi	Dry
Shear Strength	27.6 MPa	4000 psi	Short Beam, Wet

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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PHEXCB9190 / 322346

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