Solvay CYCOM® 381 Epoxy Prepreg with IM7 Uni-graphite and 148FAW Epoxy

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Solvay CYCOM® 381 Epoxy Prepreg with IM7 Uni-graphite and 148FAW Epoxy
Categories:	Polymer; Thermoset; Carbon Fiber/Thermoset Composite; Epoxy; Epoxy/Carbon Fiber Composite
Material Notes:	CYCOM 381 IM7 uni-graphite 148FAW epoxy CYCOM® 381 epoxy prepreg is an epoxy prepreg that offers a 250°F (121°C) curing system with high 180°F (82°C)/wet mechanical properties yet has the excellent fatigue and durability necessary for primary structure applications. Features & Benefits: Excellent 180°F (82°C)/wet properties Service temperature to 220°F (104°C) Three- to four-fold increases in fatigue life compared to perhaps all conventional 250°F (121°C) curing epoxy prepregs. This increase is the result of a 10 – 15% higher strain endurance limit. Inherent toughness provides good durability and compression after impact performance Low moisture absorption Excellent for vacuum pressure/oven processing Applications: Primary and secondary structural aircraft parts requiring 180°F (82°C)/wet retention of properties and/or excellent fatigue behavior Components that require good durability and/or low processing temperatures Helicopter rotor blades Rotating or cycled components Co-cured aluminum assemblies/parts Doublers Propellers Composite repair Information provided by Cytec, subsequently acquired by Solvay.
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Mechanical Properties	Original Value	Comments

Tensile Strength	94800 psi	Laminate
	5400 psi @Temperature 82.0 °C	90°, dry; SACMA SRM-4
	5500 psi @Temperature 22.0 °C	90°, dry; SACMA SRM-4
	6300 psi @Temperature -54.0 °C	90°, dry; SACMA SRM-4
	331000 psi @Temperature 71.0 °C	0°, wet; SACMA SRM-4
	339000 psi @Temperature 82.0 °C	0°, dry; SACMA SRM-4
	345000 psi @Temperature 104 °C	0°, dry; SACMA SRM-4
	358000 psi @Temperature 22.0 °C	0°, dry; SACMA SRM-4
	368000 psi @Temperature -54.0 °C	0°, dry; SACMA SRM-4
Tensile Modulus	7.72 GPa @Temperature 82.0 °C	90°, dry; SACMA SRM-4
	8.83 GPa @Temperature 22.0 °C	90°, dry; SACMA SRM-4
	9.65 GPa @Temperature -54.0 °C	90°, dry; SACMA SRM-4
	160 GPa @Temperature 104 °C	0°, dry; SACMA SRM-4
	165 GPa @Temperature 22.0 °C	0°, dry; SACMA SRM-4
	165 GPa @Temperature 82.0 °C	0°, dry; SACMA SRM-4
	168 GPa @Temperature -54.0 °C	0°, dry; SACMA SRM-4
	169 GPa @Temperature 71.0 °C	0°, wet; SACMA SRM-4
Flexural Strength	180000 psi @Temperature 104 °C	0°, dry, 3-point
	211000 psi @Temperature 22.0 °C	0°, dry, 3-point
Flexural Modulus	136 GPa @Temperature 22.0 °C	0°, dry, 3-point; ASTM D790
	148 GPa @Temperature 104 °C	0°, dry, 3-point; ASTM D790
Compressive Strength	1296 MPa @Temperature 71.0 °C	0°, wet; SACMA SRM-1
	1317 MPa @Temperature 104 °C	0°, dry; SACMA SRM-1
	1393 MPa @Temperature -54.0 °C	0°, dry; SACMA SRM-1
	1427 MPa @Temperature 82.0 °C	0°, dry; SACMA SRM-1
	1482 MPa @Temperature 22.0 °C	0°, dry; SACMA SRM-1
Compressive Modulus	47600 MPa @Temperature -54.0 °C	0°, dry; SACMA SRM-1
	148000 MPa @Temperature -54.0 °C	0°, dry; SACMA SRM-1
	148000 MPa @Temperature 22.0 °C	0°, dry; SACMA SRM-1
	150000 MPa @Temperature 71.0 °C	0°, wet; SACMA SRM-1
	150000 MPa @Temperature 82.0 °C	0°, dry; SACMA SRM-1
Shear Modulus	1.90 GPa @Temperature 104 °C	In-plane, SACMA SRM-7, wet
	3.20 GPa @Temperature 82.0 °C	In-plane, SACMA SRM-7, wet
	3.40 GPa @Temperature 121 °C	In-plane, SACMA SRM-7, dry
	3.60 GPa @Temperature 71.0 °C	In-plane, SACMA SRM-7, wet
	3.80 GPa @Temperature 82.0 °C	In-plane, SACMA SRM-7, dry
	4.30 GPa @Temperature 22.0 °C	In-plane, SACMA SRM-7, dry
	5.10 GPa @Temperature -54.0 °C	In-plane, SACMA SRM-7, dry
Shear Strength	7800 psi @Temperature 71.0 °C	0° Short Beam, wet; SACMA SRM-8
	7800 psi @Temperature 71.0 °C	0° Short Beam, Water, 160°F (71°C)/14 days; SACMA SRM-8
	9600 psi @Temperature 82.0 °C	0° Short Beam, dry; SACMA SRM-8
	10000 psi @Temperature 104 °C	In-plane, wet; SACMA SRM-7
	11900 psi @Temperature 82.0 °C	In-plane, wet; SACMA SRM-7
	12800 psi @Temperature 22.0 °C	0° Short Beam, Fuel, Mil-T-5624, 75°F (24°C)/90 days; SACMA SRM-8
	12900 psi @Temperature 22.0 °C	0° Short Beam, Cleaning, Mil-C-87936, 75°F (24°C)/7 days; SACMA SRM-8
	13000 psi @Temperature 22.0 °C	0° Short Beam, MEK, 75°F (24°C)/7 days; ASTM D740
	13200 psi @Temperature 22.0 °C	0° Short Beam, Hydraulic, Mil-H-83282, 160°F (71°C)/90 days; SACMA SRM-8
	13300 psi @Temperature 22.0 °C	0° Short Beam, dry; SACMA SRM-8
	13300 psi @Temperature 22.0 °C	0° Short Beam; SACMA SRM-8
	13500 psi @Temperature 22.0 °C	0° Short Beam, Deicer, Mil-A-8243, 32°F (0°C)/30 days; SACMA SRM-8
	13600 psi @Temperature 22.0 °C	0° Short Beam, Oil, Mil-L-7808, 160°F (71°C)/90 days; SACMA SRM-8
	13700 psi @Temperature 22.0 °C	0° Short Beam, Hydraulic, Mil-H-5606, 160°F (71°C)/90 days; SACMA SRM-8
	13900 psi @Temperature 71.0 °C	In-plane, wet; SACMA SRM-7
	14000 psi @Temperature 22.0 °C	0° Short Beam, Oil, Mil-L-23699, 160°F (71°C)/90 days; SACMA SRM-8
	14300 psi @Temperature 121 °C	In-plane, dry; SACMA SRM-7
	15500 psi @Temperature 82.0 °C	In-plane, dry; SACMA SRM-7
	15800 psi @Temperature -54.0 °C	0° Short Beam, dry; SACMA SRM-8
	18600 psi @Temperature 22.0 °C	In-plane, dry; SACMA SRM-7
	19100 psi @Temperature -54.0 °C	In-plane, dry; SACMA SRM-7

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	220 °F

Processing Properties	Original Value	Comments
Gel Time	5.00 - 8.00 min @Temperature 121 °C

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PCYTED078_1 / 192654

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