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LECO for Empowering Results
Solvay MTM® 70
Categories: Polymer; Thermoset

Material Notes: Description: MTM70 is a toughened, variable cure temperature prepreg matrix formulated for the manufacture of structural components operating at elevated service temperatures. After 135°C (275°F) standard cure cycle. MTMT70 provides excellent mechanical performance for components operating at up to 140°C (284°F). After post-cure to 180°C (356°F), MTMT70 will operate at higher temperatures without significant loss of toughness.

Features & Benefits:

  • 30 days out life at 21°C (70°F)
  • 12 months storage life at -18°C (0°F)
  • Initial cure temperatures between 85°C and 180°C (185°F to 356°F)
  • Tg steps ahead of cure temperature
  • Good mechanical performance with intermediate and high modulus fibers
  • Variable cure temperature capability
  • Excellent retention of mechanical properties at elevated temperatures
Note 1: Cure cycle: 1.5 hrs at 135°C (275°F), 6.2 bar (90 psi)

Information provided by Cytec, subsequently acquired by Solvay.

Available Properties
  • Density, Cured resin, 1.5 hrs at 135°C + 2 hr at 180°C
  • Storage Temperature
  • Compressive Strength, SRM 2R-94, T800 140-54%, After Impact, Post-cure: 2 hrs at 180°C, Note 1
  • Compressive Strength, SRM 2R-94, T800 140-54%, After Impact, Note 1
  • Compressive Strength, ASTM D3410, T800 140-54%, 0°, Note 1
  • Compressive Strength, ASTM D3410, T1000 140-54%, 0°, Note 1
  • Shear Strength, ASTM D2344, T1000 140-54%, 0°, Interlaminar, Note 1
  • Shear Strength, ASTM D2344, T800 140-54%, 0°, Interlaminar, Note 1
  • Maximum Service Temperature, Air
  • Glass Transition Temp, Tg, DMA E' onset Tg, 1.5 hrs at 135°C
  • Glass Transition Temp, Tg, DMA E' onset Tg, 1.5 hrs at 135°C + 2 hrs at 180°C
  • Shelf Life
Property Data

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Manufacturer Notes:
Solvay, former Rhodia Engineering Plastics

Category Notes

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Elmet Technologies
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