Solvay CYCOM® 5250-4 BMI Prepreg System with G30-500-3K-8HS Woven Carbon Fiber

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Solvay CYCOM® 5250-4 BMI Prepreg System with G30-500-3K-8HS Woven Carbon Fiber
Categories:	Polymer; Thermoset; Bismaleimide (BMI); Carbon Fiber/Thermoset Composite
Material Notes:	58 Volume % G30-500-3K-8HS. 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	Original Value	Comments

Density	1.25 g/cc	Neat Resin; QC-PT-55
Volatiles	2.0 %
Water Absorption	1.3 % @Temperature 149 °C	As Tested (Wet)

Mechanical Properties	Original Value	Comments
Tensile Strength	113000 psi @Temperature 177 °C	Warp (0°), G30-500-3K-8HS, WET; ASTM D3039
	130000 psi @Temperature 24.0 °C	Warp (0°), G30-500-3K-8HS; ASTM D3039
Tensile Modulus	61.0 GPa @Temperature 24.0 °C	Warp (0°), G30-500-3K-8HS
	61.0 GPa @Temperature 177 °C	Warp (0°), G30-500-3K-8HS, WET
Compressive Strength	759 MPa @Temperature 24.0 °C	Warp (0°), G30-500-3K-8HS
Shear Strength	6800 psi @Temperature 177 °C	Short Beam Warp, G30-500-3K-8HS
	8300 psi @Temperature 121 °C	Short Beam Warp, G30-500-3K-8HS
	10400 psi @Temperature 24.0 °C	Short Beam Warp, G30-500-3K-8HS

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	400 °F	Continuous; depends on cure cycle
	450 °F	short term; depends on cure cycle
Minimum Service Temperature, Air	-75.0 °F
Glass Transition Temp, Tg	200 °C	Wet; QC-PT-22
	216 °C	Post Cure: 177°C for 6 hrs
	249 °C	Post Cure: 190°C for 6 hrs
	263 °C	Post Cure: 210°C for 6 hrs
	282 °C	Post Cure: 227°C for 6 hrs
	300 °C	Dry; QC-PT-22
	304 °C	Post Cure: 243°C for 6 hrs

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

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PCYTED133_6 / 192682

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