Solvay MTM® 79 Epoxy Matrix with 50% CF1420 Carbon Fiber Composite

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Solvay MTM® 79 Epoxy Matrix with 50% CF1420 Carbon Fiber Composite
Categories:	Polymer; Thermoset; Epoxy; Epoxy/Carbon Fiber Composite
Material Notes:	MTM79 is an 80 to 180°C (176 to 356°F) curing epoxy matrix for the manufacture of components operating at high service temperatures. MTM79 has been developed specifically for motorsport bodywork applications. Features & Benefits: 30 days out life at 21°C (70°F) 12 months storage life at -18°C (0°F) Bonds directly to Nomex core in bodywork type applications Excellent tack and drape characteristics High service temperature, ultimate Tg of 220°C (428°F) Flexible curing, 80 to 180°C (176 to 356°F) Property data reported for dry samples after cure cycle: 1.5 hrs at 135°C (275°F), 6.2 bar (90 psi)+2 hrs at 180°C (356°F). Data normalized to 41 vol% except for shear properties. Information provided by Cytec, subsequently acquired by Solvay.
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Physical Properties	Metric	English	Comments

Density	1.26 g/cc	0.0455 lb/in³	Unreinforced cured resin
Storage Temperature	-18.0 °C	-0.400 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength	480 MPa	69600 psi	90°; ASTM D3039
	516 MPa	74800 psi	0°; ASTM D3039
Elongation at Break	0.94 %	0.94 %	90° Tensile; ASTM D3039
	1.01 %	1.01 %	0° Tensile; ASTM D3039
	1.48 %	1.48 %	0° Compression; SACMA SRM01R94
	1.48 %	1.48 %	90° Compression; SACMA SRM01R94
Tensile Modulus	51.0 GPa	7400 ksi	0°; ASTM D3039
	51.3 GPa	7440 ksi	90°; ASTM D3039
Compressive Strength	642 MPa	93100 psi	90°; SACMA SRM01R94
	662 MPa	96000 psi	0°; SACMA SRM01R94
Compressive Modulus	51.3 GPa	7440 ksi	0°; SACMA SRM01R94
	65.4 GPa	9490 ksi	90°; SACMA SRM01R94
Poissons Ratio	0.030	0.030	90° Compression; SACMA SRM01R94
	0.050	0.050	0° Compression; SACMA SRM01R94
	0.070	0.070	0° Tensile; ASTM D3039
	0.070	0.070	90° Tensile; ASTM D3039
Shear Modulus	3.35 GPa	486 ksi	In-plane; ASTM D3518
Shear Strength	75.2 MPa	10900 psi	0° Interlaminar; ASTM D2344
	122 MPa	17700 psi	In-plane; ASTM D3518

Thermal Properties	Metric	English	Comments
Glass Transition Temp, Tg	97.0 °C	207 °F	DMA E' onset Tg, 16 hrs at 80°C
	<= 127 °C	<= 261 °F	DMA E' onset Tg, wet
	138 °C	280 °F	DMA E' onset Tg, 1.5 hrs at 135°C
	<= 220 °C	<= 428 °F	DMA E' onset Tg, dry

Processing Properties	Metric	English	Comments
Processing Temperature	80.0 °C @Time 57600 sec	176 °F @Time 16.0 hour	Alternate Cure
	135 °C @Time 5400 sec	275 °F @Time 1.50 hour	Recommended Cure
Shelf Life	12.0 Month	12.0 Month

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PCYTED182 / 180484

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