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	Metric	English	Comments

Tensile Strength	654 MPa	94800 psi	Laminate
	37.2 MPa @Temperature 82.0 °C	5400 psi @Temperature 180 °F	90°, dry; SACMA SRM-4
	37.9 MPa @Temperature 22.0 °C	5500 psi @Temperature 71.6 °F	90°, dry; SACMA SRM-4
	43.4 MPa @Temperature -54.0 °C	6300 psi @Temperature -65.2 °F	90°, dry; SACMA SRM-4
	2280 MPa @Temperature 71.0 °C	331000 psi @Temperature 160 °F	0°, wet; SACMA SRM-4
	2340 MPa @Temperature 82.0 °C	339000 psi @Temperature 180 °F	0°, dry; SACMA SRM-4
	2380 MPa @Temperature 104 °C	345000 psi @Temperature 219 °F	0°, dry; SACMA SRM-4
	2470 MPa @Temperature 22.0 °C	358000 psi @Temperature 71.6 °F	0°, dry; SACMA SRM-4
	2540 MPa @Temperature -54.0 °C	368000 psi @Temperature -65.2 °F	0°, dry; SACMA SRM-4
Tensile Modulus	7.72 GPa @Temperature 82.0 °C	1120 ksi @Temperature 180 °F	90°, dry; SACMA SRM-4
	8.83 GPa @Temperature 22.0 °C	1280 ksi @Temperature 71.6 °F	90°, dry; SACMA SRM-4
	9.65 GPa @Temperature -54.0 °C	1400 ksi @Temperature -65.2 °F	90°, dry; SACMA SRM-4
	160 GPa @Temperature 104 °C	23200 ksi @Temperature 219 °F	0°, dry; SACMA SRM-4
	165 GPa @Temperature 22.0 °C	23900 ksi @Temperature 71.6 °F	0°, dry; SACMA SRM-4
	165 GPa @Temperature 82.0 °C	23900 ksi @Temperature 180 °F	0°, dry; SACMA SRM-4
	168 GPa @Temperature -54.0 °C	24400 ksi @Temperature -65.2 °F	0°, dry; SACMA SRM-4
	169 GPa @Temperature 71.0 °C	24500 ksi @Temperature 160 °F	0°, wet; SACMA SRM-4
Flexural Strength	1240 MPa @Temperature 104 °C	180000 psi @Temperature 219 °F	0°, dry, 3-point
	1450 MPa @Temperature 22.0 °C	211000 psi @Temperature 71.6 °F	0°, dry, 3-point
Flexural Modulus	136 GPa @Temperature 22.0 °C	19700 ksi @Temperature 71.6 °F	0°, dry, 3-point; ASTM D790
	148 GPa @Temperature 104 °C	21500 ksi @Temperature 219 °F	0°, dry, 3-point; ASTM D790
Compressive Strength	1296 MPa @Temperature 71.0 °C	188000 psi @Temperature 160 °F	0°, wet; SACMA SRM-1
	1317 MPa @Temperature 104 °C	191000 psi @Temperature 219 °F	0°, dry; SACMA SRM-1
	1393 MPa @Temperature -54.0 °C	202000 psi @Temperature -65.2 °F	0°, dry; SACMA SRM-1
	1427 MPa @Temperature 82.0 °C	207000 psi @Temperature 180 °F	0°, dry; SACMA SRM-1
	1482 MPa @Temperature 22.0 °C	214900 psi @Temperature 71.6 °F	0°, dry; SACMA SRM-1
Compressive Modulus	47.6 GPa @Temperature -54.0 °C	6900 ksi @Temperature -65.2 °F	0°, dry; SACMA SRM-1
	148 GPa @Temperature -54.0 °C	21500 ksi @Temperature -65.2 °F	0°, dry; SACMA SRM-1
	148 GPa @Temperature 22.0 °C	21500 ksi @Temperature 71.6 °F	0°, dry; SACMA SRM-1
	150 GPa @Temperature 71.0 °C	21800 ksi @Temperature 160 °F	0°, wet; SACMA SRM-1
	150 GPa @Temperature 82.0 °C	21800 ksi @Temperature 180 °F	0°, dry; SACMA SRM-1
Shear Modulus	1.90 GPa @Temperature 104 °C	276 ksi @Temperature 219 °F	In-plane, SACMA SRM-7, wet
	3.20 GPa @Temperature 82.0 °C	464 ksi @Temperature 180 °F	In-plane, SACMA SRM-7, wet
	3.40 GPa @Temperature 121 °C	493 ksi @Temperature 250 °F	In-plane, SACMA SRM-7, dry
	3.60 GPa @Temperature 71.0 °C	522 ksi @Temperature 160 °F	In-plane, SACMA SRM-7, wet
	3.80 GPa @Temperature 82.0 °C	551 ksi @Temperature 180 °F	In-plane, SACMA SRM-7, dry
	4.30 GPa @Temperature 22.0 °C	624 ksi @Temperature 71.6 °F	In-plane, SACMA SRM-7, dry
	5.10 GPa @Temperature -54.0 °C	740 ksi @Temperature -65.2 °F	In-plane, SACMA SRM-7, dry
Shear Strength	53.8 MPa @Temperature 71.0 °C	7800 psi @Temperature 160 °F	0° Short Beam, wet; SACMA SRM-8
	53.8 MPa @Temperature 71.0 °C	7800 psi @Temperature 160 °F	0° Short Beam, Water, 160°F (71°C)/14 days; SACMA SRM-8
	66.2 MPa @Temperature 82.0 °C	9600 psi @Temperature 180 °F	0° Short Beam, dry; SACMA SRM-8
	68.9 MPa @Temperature 104 °C	10000 psi @Temperature 219 °F	In-plane, wet; SACMA SRM-7
	82.0 MPa @Temperature 82.0 °C	11900 psi @Temperature 180 °F	In-plane, wet; SACMA SRM-7
	88.3 MPa @Temperature 22.0 °C	12800 psi @Temperature 71.6 °F	0° Short Beam, Fuel, Mil-T-5624, 75°F (24°C)/90 days; SACMA SRM-8
	88.9 MPa @Temperature 22.0 °C	12900 psi @Temperature 71.6 °F	0° Short Beam, Cleaning, Mil-C-87936, 75°F (24°C)/7 days; SACMA SRM-8
	89.6 MPa @Temperature 22.0 °C	13000 psi @Temperature 71.6 °F	0° Short Beam, MEK, 75°F (24°C)/7 days; ASTM D740
	91.0 MPa @Temperature 22.0 °C	13200 psi @Temperature 71.6 °F	0° Short Beam, Hydraulic, Mil-H-83282, 160°F (71°C)/90 days; SACMA SRM-8
	91.7 MPa @Temperature 22.0 °C	13300 psi @Temperature 71.6 °F	0° Short Beam, dry; SACMA SRM-8
	91.7 MPa @Temperature 22.0 °C	13300 psi @Temperature 71.6 °F	0° Short Beam; SACMA SRM-8
	93.1 MPa @Temperature 22.0 °C	13500 psi @Temperature 71.6 °F	0° Short Beam, Deicer, Mil-A-8243, 32°F (0°C)/30 days; SACMA SRM-8
	93.8 MPa @Temperature 22.0 °C	13600 psi @Temperature 71.6 °F	0° Short Beam, Oil, Mil-L-7808, 160°F (71°C)/90 days; SACMA SRM-8
	94.5 MPa @Temperature 22.0 °C	13700 psi @Temperature 71.6 °F	0° Short Beam, Hydraulic, Mil-H-5606, 160°F (71°C)/90 days; SACMA SRM-8
	95.8 MPa @Temperature 71.0 °C	13900 psi @Temperature 160 °F	In-plane, wet; SACMA SRM-7
	96.5 MPa @Temperature 22.0 °C	14000 psi @Temperature 71.6 °F	0° Short Beam, Oil, Mil-L-23699, 160°F (71°C)/90 days; SACMA SRM-8
	98.6 MPa @Temperature 121 °C	14300 psi @Temperature 250 °F	In-plane, dry; SACMA SRM-7
	107 MPa @Temperature 82.0 °C	15500 psi @Temperature 180 °F	In-plane, dry; SACMA SRM-7
	109 MPa @Temperature -54.0 °C	15800 psi @Temperature -65.2 °F	0° Short Beam, dry; SACMA SRM-8
	128 MPa @Temperature 22.0 °C	18600 psi @Temperature 71.6 °F	In-plane, dry; SACMA SRM-7
	132 MPa @Temperature -54.0 °C	19100 psi @Temperature -65.2 °F	In-plane, dry; SACMA SRM-7

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	104 °C	220 °F

Processing Properties	Metric	English	Comments
Gel Time	5.00 - 8.00 min @Temperature 121 °C	5.00 - 8.00 min @Temperature 250 °F

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PCYTED078_1 / 192654

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