Solvay MTM® 70

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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.
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Physical Properties	Original Value	Comments

Density	1.27 g/cc	Cured resin, 1.5 hrs at 135°C + 2 hr at 180°C
Storage Temperature	-18.0 °C

Mechanical Properties	Original Value	Comments
Compressive Strength	197 MPa	T800 140-54%, After Impact, Post-cure: 2 hrs at 180°C, Note 1; SRM 2R-94
	220 MPa	T800 140-54%, After Impact, Note 1; SRM 2R-94
	1481 MPa	T800 140-54%, 0°, Note 1; ASTM D3410
	1535 MPa	T1000 140-54%, 0°, Note 1; ASTM D3410
Shear Strength	14000 psi	T1000 140-54%, 0°, Interlaminar, Note 1; ASTM D2344
	15000 psi	T800 140-54%, 0°, Interlaminar, Note 1; ASTM D2344

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	140 °C
Glass Transition Temp, Tg	145 °C	DMA E' onset Tg, 1.5 hrs at 135°C
	190 °C	DMA E' onset Tg, 1.5 hrs at 135°C + 2 hrs at 180°C

Processing Properties	Original Value	Comments
Shelf Life	12.0 Month

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PCYTED181 / 180483

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