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Master Bond adhesives

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Solvay CYCOM® 5250-4 BMI Prepreg System with IM-7 Carbon Fiber
Categories: Polymer; Thermoset; Bismaleimide (BMI); Carbon Fiber/Thermoset Composite
Material Notes: 60 Volume % IM-7.

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.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 1.25 g/ccNeat Resin; QC-PT-55
Volatiles 2.0 %
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 4000 psi
@Temperature 177 °C		90°, IM-7, wet; ASTM D3039
 9100 psi
@Temperature -55.0 °C		90°, IM-7; ASTM D3039
 9500 psi
@Temperature 24.0 °C		90°, IM-7; ASTM D3039
 65000 psi
@Temperature 24.0 °C		Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s; SACMA SRM-5-88
 65000 psi
@Temperature 177 °C		Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s, wet; SACMA SRM-5-88
 65000 psi
@Temperature -55.0 °C		Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s; SACMA SRM-5-88
 100000 psi
@Temperature 24.0 °C		IM-7, Orientation [+,-,90,0,0,+,-,0,0,+,-,0]s
 105000 psi
@Temperature -55.0 °C		IM-7, Orientation [+,-,90,0,0,+,-,0,0,+,-,0]s
 308000 psi
@Temperature 24.0 °C		0°, IM-7; ASTM D3039
 330000 psi
@Temperature 177 °C		0°, IM-7, wet; ASTM D3039
 370000 psi
@Temperature 177 °C		0°, IM-7; ASTM D3039
 370000 psi
@Temperature 232 °C		0°, IM-7; ASTM D3039
 420000 psi
@Temperature -55.0 °C		0°, IM-7; ASTM D3039
Tensile Modulus 9.70 GPa
@Temperature -55.0 °C		90°, IM-7
 9.70 GPa
@Temperature 24.0 °C		90°, IM-7
 59.0 GPa
@Temperature 177 °C		IM-7. Orientation: [+45,0,-45,90]2s, wet
 63.0 GPa
@Temperature 24.0 °C		IM-7. Orientation: [+45,0,-45,90]2s
 64.0 GPa
@Temperature -55.0 °C		IM-7. Orientation: [+45,0,-45,90]2s
 162 GPa
@Temperature 24.0 °C		0°, IM-7
 162 GPa
@Temperature 177 °C		0°, IM-7
 169 GPa
@Temperature -55.0 °C		0°, IM-7
Flexural Strength 23600 psiASTM D790
 10700 psi
@Temperature 232 °C		90°, IM-7; ASTM D790
 11500 psi
@Temperature 177 °C		90°, IM-7; ASTM D790
 12400 psi
@Temperature 24.0 °C		90°, IM-7; ASTM D790
 125000 psi
@Temperature 191 °C		0°, IM-7; ASTM D790
 170000 psi
@Temperature 232 °C		0°, IM-7; ASTM D790
 190000 psi
@Temperature 177 °C		0°, IM-7; ASTM D790
 250000 psi
@Temperature 24.0 °C		0°, IM-7; ASTM D790
Flexural Modulus 7.80 GPa
@Temperature 232 °C		90°, IM-7; ASTM D790
 8.30 GPa
@Temperature 177 °C		90°, IM-7; ASTM D790
 9.00 GPa
@Temperature 24.0 °C		90°, IM-7; ASTM D790
 144 GPa
@Temperature 232 °C		0°, IM-7; ASTM D790
 147 GPa
@Temperature 191 °C		0°, IM-7; ASTM D790
 149 GPa
@Temperature 177 °C		0°, IM-7; ASTM D790
 157 GPa
@Temperature 24.0 °C		0°, IM-7; ASTM D790
Compressive Strength 214 MPaAfter Impact, 1.5 in-lb/in, IM-7; SACMA SRM-2
 214 MPaAfter Impact, 1.5 in-lb/in, AS-4; SACMA SRM-2
 214 MPaAfter 1000 in-lb/in Impact, IM-7, Post Cure: 177°C for 6 hrs
 227 MPaAfter Impact, 1 in-lb/in, IM-8; SACMA SRM-2
 227 MPaAfter 1000 in-lb/in Impact, IM-7, Post Cure: 243°C for 6 hrs
 241 MPaAfter 1000 in-lb/in Impact, IM-7, Post Cure: 210°C for 6 hrs
 241 MPaAfter 1000 in-lb/in Impact, IM-7, Post Cure: 227°C for 6 hrs
 248 MPaAfter Impact, 1 in-lb/in, IM-7; SACMA SRM-2
 255 MPaAfter Impact, 1 in-lb/in, AS-4; SACMA SRM-2
 269 MPaAfter 1000 in-lb/in Impact, IM-7, Post Cure: 190°C for 6 hrs
 241 MPa
@Temperature 177 °C		90°, IM-7, wet; ASTM D3410
 248 MPa
@Temperature 24.0 °C		90°, IM-7; ASTM D3410
 262 MPa
@Temperature 177 °C		Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s, Wet; SACMA SRM-3-88
 303 MPa
@Temperature 191 °C		IM-7, Orientation [+,-,90,0,0,+,-,0,0,+,-,0]s, wet
 310 MPa
@Temperature 24.0 °C		Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s; SACMA SRM-3-88
 317 MPa
@Temperature -55.0 °C		90°, IM-7; ASTM D3410
 324 MPa
@Temperature 232 °C		IM-7, Orientation [+,-,90,0,0,+,-,0,0,+,-,0]s
 351 MPa
@Temperature 177 °C		IM-7, Orientation [+,-,90,0,0,+,-,0,0,+,-,0]s, wet
 359 MPa
@Temperature -55.0 °C		Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s; SACMA SRM-3-88
 420 MPa
@Temperature 24.0 °C		IM-7, Orientation [+,-,90,0,0,+,-,0,0,+,-,0]s
 966 MPa
@Temperature 177 °C		0°, IM-7, wet; ASTM D695 MOD
 1206 MPa
@Temperature 163 °C		0°, IM-7, wet; ASTM D695 MOD
 1310 MPa
@Temperature 177 °C		0°, IM-7; ASTM D695 MOD
 1620 MPa
@Temperature 24.0 °C		0°, IM-7; ASTM D695 MOD
Compressive Modulus 9000 MPa
@Temperature 177 °C		90°, IM-7, wet; ASTM D3410
 9700 MPa
@Temperature 24.0 °C		90°, IM-7; ASTM D3410
 11000 MPa
@Temperature -55.0 °C		90°, IM-7; ASTM D3410
 51000 MPa
@Temperature 177 °C		Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s, Wet; SACMA SRM-3-88
 57000 MPa
@Temperature 24.0 °C		Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s; SACMA SRM-3-88
 57000 MPa
@Temperature -55.0 °C		Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s; SACMA SRM-3-88
 158000 MPa
@Temperature 24.0 °C		0°, IM-7; ASTM D695 MOD
 158000 MPa
@Temperature 177 °C		0°, IM-7; ASTM D695 MOD
Poissons Ratio 0.70
@Temperature 24.0 °C		IM-7
 0.81
@Temperature 149 °C		IM-7, wet
Shear Modulus 2.50 GPa
@Temperature 149 °C		IM-7, wet
 5.90 GPa
@Temperature 24.0 °C		IM-7
Shear Strength 10400 psi
@Temperature 191 °C		0° Short Beam, IM-7, wet; ASTM D2344
 11200 psi
@Temperature 177 °C		In-plane, IM-7, wet; ASTM D3518
 11300 psi
@Temperature 232 °C		0° Short Beam, IM-7; ASTM D2344
 12100 psi
@Temperature 119 °C		In-plane, IM-7, wet; ASTM D3518
 14200 psi
@Temperature 177 °C		0° Short Beam, IM-7; ASTM D2344
 14700 psi
@Temperature -55.0 °C		In-plane, IM-7; ASTM D3518
 15000 psi
@Temperature 24.0 °C		In-plane, IM-7; ASTM D3518
 20200 psi
@Temperature 24.0 °C		0° Short Beam, IM-7; ASTM D2344
Charpy Impact Unnotched 97.0 ft-lb/in²x
 
Thermal PropertiesOriginal ValueComments
CTE, linear -1.62 µm/m-°C11 orientation, 5250-4 + IM7 unidirectional laminate
 30.1 µm/m-°C22 orientation, 5250-4 + IM7 unidirectional laminate
Maximum Service Temperature, Air 400 °FContinuous; depends on cure cycle
 450 °Fshort term; depends on cure cycle
Minimum Service Temperature, Air -75.0 °F
Glass Transition Temp, Tg 200 °CWet; QC-PT-22
 216 °CPost Cure: 177°C for 6 hrs
 249 °CPost Cure: 190°C for 6 hrs
 263 °CPost Cure: 210°C for 6 hrs
 282 °CPost Cure: 227°C for 6 hrs
 300 °CDry; QC-PT-22
 304 °CPost Cure: 243°C for 6 hrs
 
Processing PropertiesOriginal ValueComments
Processing Temperature 350 - 400 °FCure 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_1 / 192677




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