Park Aerospace Nelcote® E-763 Epoxy Prepreg, 7781 E-Glass Reinforced

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Park Aerospace Nelcote® E-763 Epoxy Prepreg, 7781 E-Glass Reinforced
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Nelcote® E-763 is a modified epoxy system with a nominal 250°F cure temperature. E-763 provides a transparent resin surface on the finished part which gives finished part surfaces a cosmetic attractive finish. Key Features and Benefits: Good low pressure consolidation Excellent handling characteristics and out-time Clear surface finish for excellent cosmetic appearance on finished parts 250°F cure epoxy system Applications/Qualifications: Industrial Applications Recreational Applications Information provided by Park Electrochemical Corp.
Key Words:	EP
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Physical Properties	Metric	English	Comments

Volatiles	<= 1.5 % @Temperature 135 °C	<= 1.5 % @Temperature 275 °F	8 min

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	427 MPa @Temperature 23.9 °C	62000 psi @Temperature 75.0 °F	0° Direction, Dry; Oven Cure 250°F, 90 min; ASTM D638
Tensile Modulus	25.5 GPa @Temperature 23.9 °C	3700 ksi @Temperature 75.0 °F	0° Direction, Dry; Oven Cure 250°F, 90 min; ASTM D3039
Flexural Strength	593 MPa @Temperature 71.1 °C	86000 psi @Temperature 160 °F	Dry; Oven Cure 250°F, 90 min; ASTM D790
	662 MPa @Temperature 23.9 °C	96000 psi @Temperature 75.0 °F	Dry; Oven Cure 250°F, 90 min; ASTM D790
Flexural Modulus	23.4 GPa @Temperature 23.9 °C	3400 ksi @Temperature 75.0 °F	Dry; Oven Cure 250°F, 90 min; ASTM D790
	23.4 GPa @Temperature 71.1 °C	3400 ksi @Temperature 160 °F	Dry; Oven Cure 250°F, 90 min; ASTM D790
Compressive Strength	414 MPa @Temperature 71.1 °C	60000 psi @Temperature 160 °F	Dry; Oven Cure 250°F, 90 min; ASTM D695
	517 MPa @Temperature 23.9 °C	75000 psi @Temperature 75.0 °F	Dry; Oven Cure 250°F, 90 min; ASTM D695
Compressive Modulus	23.4 GPa @Temperature 71.1 °C	3400 ksi @Temperature 160 °F	Dry; Oven Cure 250°F, 90 min; ASTM D695
	25.5 GPa @Temperature 23.9 °C	3700 ksi @Temperature 75.0 °F	Dry; Oven Cure 250°F, 90 min; ASTM D695
Shear Strength	50.3 MPa @Temperature 71.1 °C	7300 psi @Temperature 160 °F	Short-Beam, Dry; Oven Cure 250°F, 90 min; ASTM D2344
	62.7 MPa @Temperature 23.9 °C	9100 psi @Temperature 75.0 °F	Short-Beam, Dry; Oven Cure 250°F, 90 min; ASTM D2344

Processing Properties	Metric	English	Comments
Gel Time	2.00 - 6.00 min	2.00 - 6.00 min
Shelf Life	6.00 Month @Temperature -17.8 °C	6.00 Month @Temperature 0.000 °F

Descriptive Properties
Prepreg Resin Content (%)	36-44
Resin Flow (%)	7-21		275°F, 15psi

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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