Solvay CYCOM® 5250-4 BMI Prepreg System with IM7-6K-5HS Woven Carbon Fiber

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Solvay CYCOM® 5250-4 BMI Prepreg System with IM7-6K-5HS Woven Carbon Fiber
Categories:	Polymer; Thermoset; Bismaleimide (BMI); Carbon Fiber/Thermoset Composite
Material Notes:	58 Volume % IM7-6K-5HS. CYCOM® 5250-4 is a 350°F to 400°F (177°C to 204°C) curing bismaleimide resin with a service temperature range of -75°F to 400°F (-59°C to 204°C). CYCOM 5250-4 is specifically formulated for use in primary aircraft structures. In addition, a variety of secondary structural components can take advantage of the increased performance from using high-strain carbon fibers and the improved damage-resistance this system provides. CYCOM 5250-4 is available with either carbon fiber or glass fiber reinforcement in unidirectional tape, woven broadgood and roving forms. Features & Benefits: Short-term service temperature up to 450°F (232°C) Superior hot/wet properties at 220°F to 375°F (104°C to 190°C) Excellent toughness Void-free laminates High temperature resistance Low thermal conductivity Versatile cure Excellent compression strength properties after impact Shop life greater than 28 days at room temperature Fluid/solvent resistant Suggested Applications: Primary and secondary aircraft structure including: Engine nacelles Fuselage skins and stiffeners Wing and stabilizer spars and skins Other critical load-bearing components Mechanical properties are reported for standard cure + standard post-cure Information provided by Cytec, subsequently acquired by Solvay.
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Physical Properties	Metric	English	Comments

Density	1.25 g/cc	0.0452 lb/in³	Neat Resin; QC-PT-55
Volatiles	2.0 %	2.0 %
Water Absorption	1.1 % @Temperature 149 °C	1.1 % @Temperature 300 °F	As Tested (Wet)

Mechanical Properties	Metric	English	Comments
Tensile Strength	483 MPa @Temperature 177 °C	70000 psi @Temperature 351 °F	Open Hole, (+,0,0,90,0), IM-7-6K-5HS, Wet
	531 MPa @Temperature 24.0 °C	77000 psi @Temperature 75.2 °F	Open Hole, (+,0,0,90,0), IM-7-6K-5HS
	758 MPa @Temperature 177 °C	110000 psi @Temperature 351 °F	Fill (90°), IM-7-6K-5HS, Wet
	827 MPa @Temperature 177 °C	120000 psi @Temperature 351 °F	Warp (0°), IM-7-6K-5HS, Wet; ASTM D3039
	862 MPa @Temperature 24.0 °C	125000 psi @Temperature 75.2 °F	Warp (0°), IM-7-6K-5HS; ASTM D3039
	862 MPa @Temperature 24.0 °C	125000 psi @Temperature 75.2 °F	Fill (90°), IM-7-6K-5HS, Wet
Tensile Modulus	63.0 GPa @Temperature 177 °C	9140 ksi @Temperature 351 °F	Fill (90°), IM-7-6K-5HS, Wet
	69.0 GPa @Temperature 177 °C	10000 ksi @Temperature 351 °F	Warp (0°), IM-7-6K-5HS, Wet
	72.0 GPa @Temperature 24.0 °C	10400 ksi @Temperature 75.2 °F	Open Hole, IM-7-6K-5HS
	75.0 GPa @Temperature 24.0 °C	10900 ksi @Temperature 75.2 °F	Fill (90°), IM-7-6K-5HS, Wet
	79.0 GPa @Temperature 177 °C	11500 ksi @Temperature 351 °F	Open Hole, IM-7-6K-5HS, Wet
	81.0 GPa @Temperature 24.0 °C	11700 ksi @Temperature 75.2 °F	Warp (0°), IM-7-6K-5HS
Flexural Strength	558 MPa @Temperature 177 °C	81000 psi @Temperature 351 °F	Warp, (0°), IM7-6K-5HS, wet
	586 MPa @Temperature 177 °C	85000 psi @Temperature 351 °F	Fill, (0°), IM7-6K-5HS, wet
	862 MPa @Temperature 24.0 °C	125000 psi @Temperature 75.2 °F	Fill, (0°), IM7-6K-5HS
	1000 MPa @Temperature 24.0 °C	145000 psi @Temperature 75.2 °F	Warp, (0°), IM7-6K-5HS
Flexural Modulus	62.0 GPa @Temperature 177 °C	8990 ksi @Temperature 351 °F	Fill, (0°), IM7-6K-5HS, wet
	70.0 GPa @Temperature 24.0 °C	10200 ksi @Temperature 75.2 °F	Fill, (0°), IM7-6K-5HS
	71.0 GPa @Temperature 24.0 °C	10300 ksi @Temperature 75.2 °F	Warp, (0°), IM7-6K-5HS
	71.0 GPa @Temperature 177 °C	10300 ksi @Temperature 351 °F	Warp, (0°), IM7-6K-5HS, wet
Compressive Strength	207 MPa @Temperature 177 °C	30000 psi @Temperature 351 °F	Open Hole, [+,0,0,90,0] W/D=6, IM7-6K-5HS, wet
	248 MPa @Temperature 149 °C	36000 psi @Temperature 300 °F	Open Hole, [+,0,0,90,0] W/D=6, IM7-6K-5HS, wet
	324 MPa @Temperature 24.0 °C	47000 psi @Temperature 75.2 °F	Open Hole, [+,0,0,90,0] W/D=6, IM7-6K-5HS
Compressive Modulus	72.0 GPa @Temperature 24.0 °C	10400 ksi @Temperature 75.2 °F	Open Hole, IM7-6K-5HS
	79.0 GPa @Temperature 177 °C	11500 ksi @Temperature 351 °F	Open Hole, IM7-6K-5HS, wet
Shear Strength	49.0 MPa @Temperature 117 °C	7100 psi @Temperature 243 °F	Short Beam Warp (0°), IM7-6K-5HS, wet; ASTM D2344
	110 MPa @Temperature 24.0 °C	16000 psi @Temperature 75.2 °F	Short Beam Warp (0°), IM7-6K-5HS; ASTM D2344

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	204 °C	400 °F	Continuous; depends on cure cycle
	232 °C	450 °F	short term; depends on cure cycle
Minimum Service Temperature, Air	-59.4 °C	-75.0 °F
Glass Transition Temp, Tg	200 °C	392 °F	Wet; QC-PT-22
	216 °C	421 °F	Post Cure: 177°C for 6 hrs
	249 °C	480 °F	Post Cure: 190°C for 6 hrs
	263 °C	505 °F	Post Cure: 210°C for 6 hrs
	282 °C	540 °F	Post Cure: 227°C for 6 hrs
	300 °C	572 °F	Dry; QC-PT-22
	304 °C	579 °F	Post Cure: 243°C for 6 hrs

Processing Properties	Metric	English	Comments
Processing Temperature	177 - 204 °C	350 - 400 °F	Cure Temperature - Autoclave
Gel Time	65.0 min @Temperature 177 °C	65.0 min @Temperature 351 °F	in nitrogen atmosphere; QC-TP-87
Shelf Life	>= 1.00 Month @Temperature 72.0 °C	>= 1.00 Month @Temperature 162 °F
	>= 3.00 Month @Temperature 4.44 °C	>= 3.00 Month @Temperature 40.0 °F
	>= 12.0 Month @Temperature -17.8 °C	>= 12.0 Month @Temperature 0.000 °F

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PCYTED133_7 / 192683

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