Toray G-83CM Prepreg System - Resin Properties

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Toray G-83CM Prepreg System - Resin Properties
Categories:	Polymer; Thermoset
Material Notes:	G-83CM resin system provides a quick cure (290°F for 20 min) or a low temperature cure (185°F for 6 hours) with the capability to achieve class “A” surface finish. This system works well for both autoclave and fast cycle press mold processes. Quick cure cycles are used where high-cycle applications are required; lower temperature cure applications would be used where mold material is heat sensitive. G-83CM is a proven system in the automotive industry due to its fast cure and high quality Class A capability. This system works well in a variety of other applications such as industrial and aircraft grade Information provided by Toray Composite Materials America, Inc.
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Physical Properties	Metric	English	Comments

Density	1.212 g/cc	0.04379 lb/in³	ASTM D595
Storage Temperature	<= -12.2 °C @Temperature -17.8 °C	<= 10.0 °F @Temperature 0.000 °F	24 months, Freezer Life
	<= 4.44 °C @Temperature 3.33 °C	<= 40.0 °F @Temperature 38.0 °F	3 months, Fridge Life

Mechanical Properties	Metric	English	Comments
Tensile Strength	59.0 MPa	8560 psi	90° (F_2t), T700S-12K at 190 g/m2 FAW and 35% RC; ASTM D3039
	3090 MPa	448000 psi	0° (F_1t), T700S-12K at 190 g/m2 FAW and 35% RC; ASTM D3039
Tensile Modulus	141 GPa	20500 ksi	0° (E_1t), T700S-12K at 190 g/m2 FAW and 35% RC; ASTM D3039
Flexural Strength	146 MPa	21200 psi	ASTM D790
Flexural Modulus	3.46 GPa	502 ksi	ASTM D790
Compressive Strength	128 MPa	18600 psi	ASTM D695
Compressive Modulus	3.36 GPa	487 ksi	ASTM D695
Fracture Toughness	1.11 MPa-m½	1.01 ksi-in½	K_IC; ASTM D5045-99
Shear Strength	89.6 MPa	13000 psi	Short Beam, T700S-12K at 190 g/m2 FAW and 35% RC; ASTM D2344
	142 MPa	20600 psi	±45° In Plane, T700S-12K at 190 g/m2 FAW and 35% RC; ASTM D3518

Thermal Properties	Metric	English	Comments
CTE, linear	69.9 µm/m-°C	38.8 µin/in-°F
Glass Transition Temp, Tg	143 °C	289 °F	Dry

Processing Properties	Metric	English	Comments
Cure Time	20.0 min @Pressure 0.689 MPa, Temperature 143 °C	0.333 hour @Pressure 100 psi, Temperature 290 °F	Ramp Rate: 5°F/min, Optional vent at 130°F, Cool Down Rate: 5°F/min
Gel Time	1.70 min	1.70 min	ASTM D3532

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PTORAY8045 / 265443

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