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Solvay HTM® 556 BMI
Categories: Polymer; Thermoset; Bismaleimide (BMI)

Material Notes: HTM 556 is a controlled flow, toughened bismaleimide (BMI) matrix system offering improved handling characteristics and after an appropriate post-cure, thermal cycling capability up to 250°C (482°F). HTM556 has been developed for structural applications where continuous service temperatures exceed 200°C (392°F)

Features & Benefits:

  • 30 days out life at 21°C (70°F)
  • 12 months storage at -18°C (0°F)
  • Controlled flow
  • Excellent tack and drape with improved ambient temperature tack stability
  • No hot debulks required
  • Free-standing post-cure
  • Maximum DMA E’ onset Tg of 270°C (518°F) after post-cure to 240°C (240°F)
  • Upper service temperature 250°C (482°F)
Note 1: Material: HTM556-T700G (12K)-145 g/m2-32%RW; Cure cycle: 6 hours at 190°C (374°F), 6.2 bar (90 psi); Post-cure: 6 hours at 240°C (464°F)
Note 2: Material: HTM556-HTS (12K)-145 g/m2-32%RW; Cure cycle: 6 hours at 190°C (374°F), 6.2 bar (90 psi); Post-cure: 6 hours at 240°C (464°F)
Note 3: Material: HTM556-IM7(6K)-plain weave-38%RW; Cure cycle: 6 hours at 190°C (374°F), 6.2 bar (90 psi); Post-cure: 6 hours at 255°C (437°F)
Note 4: 8 Material: HTM556-CF0800 (6K)-375 g/m2-2x2 twill; Cure cycle: 6 hours at 190°C (374°F), 6.2 bar (90 psi); Post-cure: 6 hours at 255°C (437°F)
Note 5: HTM556-CF0800 (6K)-375 g/m2-2x2 twill; Cure cycle: 6 hours at 190°C (374°F), 6.2 bar (90 psi); Post-cure: 6 hours at 240°C (464°F)
Note 6: HTM556-CF1218 (6K)-375 g/m2-2x2 twill T800; Cure cycle: 6 hours at 190°C (374°F), 6.2 bar (90 psi); Post-cure: 6 hours at 240°C (464°F)

Information provided by Cytec, subsequently acquired by Solvay.

Vendors:
Available Properties
  • Density, Cured
  • Storage Temperature
  • Tensile Strength, ASTM D3039, 0°, Note 4
  • Tensile Strength, ASTM D3039, 0°, Note 3
  • Tensile Strength, ASTM D3039, 0°, Note 2
  • Tensile Strength, ASTM D3039, 0°, Note 1
  • Tensile Modulus, ASTM D3039, 0°, Note 4
  • Tensile Modulus, ASTM D3039, 0°, Note 3
  • Tensile Modulus, ASTM D3039, 0°, Note 2
  • Tensile Modulus, ASTM D3039, 0°, Note 1
  • Flexural Strength, ASTM D790, 0°, Note 4
  • Flexural Strength, ASTM D790, 0°, Note 1
  • Flexural Strength, ASTM D790, 0°, Note 2
  • Flexural Modulus, ASTM D790, 0°, Note 2
  • Flexural Modulus, ASTM D790, 0°, Note 1
  • Flexural Modulus, ASTM D790, 0°, Note 3
  • Compressive Strength, ASTM D6641, 0°, Note 3
  • Compressive Strength, ASTM D6641, 0°, Note 4
  • Compressive Strength, ASTM D6641, 0°, Note 6
  • Compressive Strength, ASTM D6641, 0°, Note 1
  • Compressive Strength, ASTM D6641, 0°, Note 2
  • Compressive Modulus, ASTM D6641, 0°, Note 4
  • Compressive Modulus, ASTM D6641, 0°, Note 3
  • Compressive Modulus, ASTM D6641, 0°, Note 2
  • Compressive Modulus, ASTM D6641, 0°, Note 1
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 5
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 6
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 5
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 6
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 5
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 6
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 6
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 2
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 1
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 5
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 3
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 4
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 1
  • Shear Strength, ASTM D2344, 0° Interlaminar, Note 2
  • Maximum Service Temperature, Air
  • Glass Transition Temp, Tg, DMA E' onset, 6 hrs at 190°C, 90 psi
  • Glass Transition Temp, Tg, DMA E' onset, 6 hrs at 190°C, 90 psi + 6 hrs at 225°C
  • Glass Transition Temp, Tg, DMA E' onset, 6 hrs at 190°C, 90 psi + 6 hrs at 240°C
  • Shelf Life
  
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Manufacturer Notes:
Solvay, former Rhodia Engineering Plastics

Category Notes
Plastic

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