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	Original Value	Comments

Density	1.212 g/cc	ASTM D595
Storage Temperature	<= -12.2 °C @Temperature -17.8 °C	24 months, Freezer Life
	<= 4.44 °C @Temperature 3.33 °C	3 months, Fridge Life

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

Thermal Properties	Original Value	Comments
CTE, linear	69.9 µm/m-°C
Glass Transition Temp, Tg	143 °C	Dry

Processing Properties	Original Value	Comments
Cure Time	20.0 min @Pressure 0.689 MPa, Temperature 143 °C	Ramp Rate: 5°F/min, Optional vent at 130°F, Cool Down Rate: 5°F/min
Gel Time	1.70 min	ASTM D3532

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PTORAY8045 / 265443

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