Park Aerospace Nelcote® E-765 Epoxy Prepreg, 6K 4HS IM7 Reinforced

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Park Aerospace Nelcote® E-765 Epoxy Prepreg, 6K 4HS IM7 Reinforced
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Nelcote® E-765 is a tough 250°F cure prepreg system designed to replace 350°F cure systems in aircraft structural applications. FAA-approved Design Allowable Databases are available upon request. Key Features and Benefits: Designed to replace first generation 350°F (176°C) cure systems. Wide cure temperature process window of 250°F to 350°F Exhibits very low void content, i.e., <2% after vacuum cure. Superior fiber property translation. 180°F Wet service temperature after ~250°F cure Good tack and drape characteristics for 3 weeks at room temperature Applications/Qualifications: Primary Aircraft Structures Fuselage Wing Control Surfaces Secondary Aircraft Structures Aircraft Frames Doors Shelves Bulkheads Information provided by Park Electrochemical Corp.
Key Words:	EP
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Mechanical Properties	Metric	English	Comments

Tensile Strength, Yield	903 MPa @Temperature 21.1 °C	131000 psi @Temperature 70.0 °F	0° Direction, Dry; Autoclave Cured; ASTM D3039-95
Tensile Modulus	75.8 GPa @Temperature 21.1 °C	11000 ksi @Temperature 70.0 °F	0° Direction, Dry; Autoclave Cured; ASTM D3039-95
Compressive Strength	531 MPa @Temperature 82.2 °C	77000 psi @Temperature 180 °F	Wet; Autoclave Cured; SACMA 1-94
	607 MPa @Temperature 82.2 °C	88000 psi @Temperature 180 °F	Dry; Autoclave Cured; SACMA 1-94
	758 MPa @Temperature 21.1 °C	110000 psi @Temperature 70.0 °F	Dry; Autoclave Cured; SACMA 1-94
Compressive Modulus	62.1 GPa @Temperature 82.2 °C	9000 ksi @Temperature 180 °F	Dry; Autoclave Cured; SACMA 1-94
	65.5 GPa @Temperature 21.1 °C	9500 ksi @Temperature 70.0 °F	Dry; Autoclave Cured; SACMA 1-94
	76.5 GPa @Temperature 82.2 °C	11100 ksi @Temperature 180 °F	Wet; Autoclave Cured; SACMA 1-94
Shear Strength	47.6 MPa @Temperature 82.2 °C	6900 psi @Temperature 180 °F	Beam, V-Notched; Wet; Autoclave Cured; ASTM D5379-93
	50.3 MPa @Temperature 82.2 °C	7300 psi @Temperature 180 °F	Short-Beam, Wet; Autoclave Cured; ASTM D2344
	52.4 MPa @Temperature 82.2 °C	7600 psi @Temperature 180 °F	Beam, V-Notched; Dry; Autoclave Cured; ASTM D5379-93
	62.1 MPa @Temperature 21.1 °C	9000 psi @Temperature 70.0 °F	Beam, V-Notched; Dry; Autoclave Cured; ASTM D5379-93
	64.1 MPa @Temperature 82.2 °C	9300 psi @Temperature 180 °F	Short-Beam, Dry; Autoclave Cured; ASTM D2344
	71.0 MPa @Temperature 21.1 °C	10300 psi @Temperature 70.0 °F	Short-Beam, Dry; Autoclave Cured; ASTM D2344

Processing Properties	Metric	English	Comments
Shelf Life	6.00 Month @Temperature -17.8 °C	6.00 Month @Temperature 0.000 °F

Descriptive Properties
Fabric Area Weight (g/m²)	203

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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PPARK034 / 89306

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