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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:
Available Properties
  • Density, QC-PT-55, Neat Resin
  • Volatiles
  • Tensile Strength, ASTM D3039, 90°, IM-7, wet
  • Tensile Strength, ASTM D3039, 90°, IM-7
  • Tensile Strength, ASTM D3039, 90°, IM-7
  • Tensile Strength, SACMA SRM-5-88, Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s
  • Tensile Strength, SACMA SRM-5-88, Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s
  • Tensile Strength, SACMA SRM-5-88, Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s, wet
  • Tensile Strength, IM-7, Orientation [+,-,90,0,0,+,-,0,0,+,-,0]s
  • Tensile Strength, IM-7, Orientation [+,-,90,0,0,+,-,0,0,+,-,0]s
  • Tensile Strength, ASTM D3039, 0°, IM-7
  • Tensile Strength, ASTM D3039, 0°, IM-7, wet
  • Tensile Strength, ASTM D3039, 0°, IM-7
  • Tensile Strength, ASTM D3039, 0°, IM-7
  • Tensile Strength, ASTM D3039, 0°, IM-7
  • Tensile Modulus, 90°, IM-7
  • Tensile Modulus, 90°, IM-7
  • Tensile Modulus, IM-7. Orientation: [+45,0,-45,90]2s, wet
  • Tensile Modulus, IM-7. Orientation: [+45,0,-45,90]2s
  • Tensile Modulus, IM-7. Orientation: [+45,0,-45,90]2s
  • Tensile Modulus, 0°, IM-7
  • Tensile Modulus, 0°, IM-7
  • Tensile Modulus, 0°, IM-7
  • Flexural Strength, ASTM D790
  • Flexural Strength, ASTM D790, 90°, IM-7
  • Flexural Strength, ASTM D790, 90°, IM-7
  • Flexural Strength, ASTM D790, 90°, IM-7
  • Flexural Strength, ASTM D790, 0°, IM-7
  • Flexural Strength, ASTM D790, 0°, IM-7
  • Flexural Strength, ASTM D790, 0°, IM-7
  • Flexural Strength, ASTM D790, 0°, IM-7
  • Flexural Modulus, ASTM D790, 90°, IM-7
  • Flexural Modulus, ASTM D790, 90°, IM-7
  • Flexural Modulus, ASTM D790, 90°, IM-7
  • Flexural Modulus, ASTM D790, 0°, IM-7
  • Flexural Modulus, ASTM D790, 0°, IM-7
  • Flexural Modulus, ASTM D790, 0°, IM-7
  • Flexural Modulus, ASTM D790, 0°, IM-7
  • Compressive Strength, SACMA SRM-2, After Impact, 1.5 in-lb/in, IM-7
  • Compressive Strength, SACMA SRM-2, After Impact, 1.5 in-lb/in, AS-4
  • Compressive Strength, After 1000 in-lb/in Impact, IM-7, Post Cure: 177°C for 6 hrs
  • Compressive Strength, SACMA SRM-2, After Impact, 1 in-lb/in, IM-8
  • Compressive Strength, After 1000 in-lb/in Impact, IM-7, Post Cure: 243°C for 6 hrs
  • Compressive Strength, After 1000 in-lb/in Impact, IM-7, Post Cure: 210°C for 6 hrs
  • Compressive Strength, After 1000 in-lb/in Impact, IM-7, Post Cure: 227°C for 6 hrs
  • Compressive Strength, SACMA SRM-2, After Impact, 1 in-lb/in, IM-7
  • Compressive Strength, SACMA SRM-2, After Impact, 1 in-lb/in, AS-4
  • Compressive Strength, After 1000 in-lb/in Impact, IM-7, Post Cure: 190°C for 6 hrs
  • Compressive Strength, ASTM D3410, 90°, IM-7, wet
  • Compressive Strength, ASTM D3410, 90°, IM-7
  • Compressive Strength, SACMA SRM-3-88, Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s, Wet
  • Compressive Strength, IM-7, Orientation [+,-,90,0,0,+,-,0,0,+,-,0]s, wet
  • Compressive Strength, SACMA SRM-3-88, Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s
  • Compressive Strength, ASTM D3410, 90°, IM-7
  • Compressive Strength, IM-7, Orientation [+,-,90,0,0,+,-,0,0,+,-,0]s
  • Compressive Strength, IM-7, Orientation [+,-,90,0,0,+,-,0,0,+,-,0]s, wet
  • Compressive Strength, SACMA SRM-3-88, Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s
  • Compressive Strength, IM-7, Orientation [+,-,90,0,0,+,-,0,0,+,-,0]s
  • Compressive Strength, ASTM D695 MOD, 0°, IM-7, wet
  • Compressive Strength, ASTM D695 MOD, 0°, IM-7, wet
  • Compressive Strength, ASTM D695 MOD, 0°, IM-7
  • Compressive Strength, ASTM D695 MOD, 0°, IM-7
  • Compressive Modulus, ASTM D3410, 90°, IM-7, wet
  • Compressive Modulus, ASTM D3410, 90°, IM-7
  • Compressive Modulus, ASTM D3410, 90°, IM-7
  • Compressive Modulus, SACMA SRM-3-88, Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s, Wet
  • Compressive Modulus, SACMA SRM-3-88, Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s
  • Compressive Modulus, SACMA SRM-3-88, Open Hole, IM-7. W/D=6, Orientation: [+45,0,-45,90]2s
  • Compressive Modulus, ASTM D695 MOD, 0°, IM-7
  • Compressive Modulus, ASTM D695 MOD, 0°, IM-7
  • Poissons Ratio, IM-7
  • Poissons Ratio, IM-7, wet
  • Shear Modulus, IM-7, wet
  • Shear Modulus, IM-7
  • Shear Strength, ASTM D2344, 0° Short Beam, IM-7, wet
  • Shear Strength, ASTM D3518, In-plane, IM-7, wet
  • Shear Strength, ASTM D2344, 0° Short Beam, IM-7
  • Shear Strength, ASTM D3518, In-plane, IM-7, wet
  • Shear Strength, ASTM D2344, 0° Short Beam, IM-7
  • Shear Strength, ASTM D3518, In-plane, IM-7
  • Shear Strength, ASTM D3518, In-plane, IM-7
  • Shear Strength, ASTM D2344, 0° Short Beam, IM-7
  • Charpy Impact Unnotched, x
  • CTE, linear, 11 orientation, 5250-4 + IM7 unidirectional laminate
  • CTE, linear, 22 orientation, 5250-4 + IM7 unidirectional laminate
  • Maximum Service Temperature, Air, Continuous; depends on cure cycle
  • Maximum Service Temperature, Air, short term; depends on cure cycle
  • Minimum Service Temperature, Air
  • Glass Transition Temp, Tg, QC-PT-22, Wet
  • Glass Transition Temp, Tg, Post Cure: 177°C for 6 hrs
  • Glass Transition Temp, Tg, Post Cure: 190°C for 6 hrs
  • Glass Transition Temp, Tg, Post Cure: 210°C for 6 hrs
  • Glass Transition Temp, Tg, Post Cure: 227°C for 6 hrs
  • Glass Transition Temp, Tg, QC-PT-22, Dry
  • Glass Transition Temp, Tg, Post Cure: 243°C for 6 hrs
  • Processing Temperature, Cure Temperature - Autoclave
  • Gel Time, QC-TP-87, in nitrogen atmosphere
  • Shelf Life
  • Shelf Life
  • Shelf Life
  
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Manufacturer Notes:
Solvay, former Rhodia Engineering Plastics

Category Notes
Plastic

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