Park Aerospace Nelcote® F-502 Phenolic Prepreg, 7781 E-Glass Reinforced

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Park Aerospace Nelcote® F-502 Phenolic Prepreg, 7781 E-Glass Reinforced
Categories:	Polymer; Thermoset; Phenolic
Material Notes:	Nelcote® F-502 is a MIL-R-9299 phenolic resin system suitable for impregnation on any MIL-C-9084 fabric with a compatible finish. F-502 is used in the manufacture of ablative reinforcements in rocket nozzles, as well as ducting and secondary structures. GMS4001 qualified specifications. Key Features and Benefits: Provides a combination of high-strength and ablative properties for demanding applications Low thermal expansion Good Tack and Drape properties Conforms to MIL-R-9299 Type B Applications/Qualifications: Rocket Nozzles Ducting Secondary Structures Information provided by Park Electrochemical Corp.
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Physical Properties	Original Value	Comments

Specific Gravity	1.75 g/cc	ASTM D792
Volatiles	2.0 - 5.0 % @Temperature 135 °C	8 min
Thickness	9.00 mil	cured laminate, per ply

Mechanical Properties	Original Value	Comments
Hardness, Barcol	70	ASTM D2583
Tensile Strength, Yield	48000 psi @Temperature 260 °C	0° Direction, Dry; 325°F Autoclave Cured; ASTM D638
	51000 psi @Temperature 23.9 °C	0° Direction, Dry; 325°F Autoclave Cured; ASTM D638
Tensile Modulus	2900 ksi @Temperature 260 °C	0° Direction, Dry; 325°F Autoclave Cured; ASTM D638
	3700 ksi @Temperature 23.9 °C	0° Direction, Dry; 325°F Autoclave Cured; ASTM D638
Flexural Strength	40.0 ksi @Temperature 260 °C	Dry; 325°F Autoclave Cured; ASTM D790
	71.0 ksi @Temperature 23.9 °C	Dry; 325°F Autoclave Cured; ASTM D790
Flexural Modulus	2700 ksi @Temperature 260 °C	Dry; 325°F Autoclave Cured; ASTM D790
	3600 ksi @Temperature 23.9 °C	Dry; 325°F Autoclave Cured; ASTM D790
Compressive Strength	38.0 ksi @Temperature 260 °C	Dry; 325°F Autoclave Cured; ASTM D695
	67.0 ksi @Temperature 23.9 °C	Dry; 325°F Autoclave Cured; ASTM D695
Compressive Modulus	3000 ksi @Temperature 260 °C	Dry; 325°F Autoclave Cured; ASTM D695
	3500 ksi @Temperature 23.9 °C	Dry; 325°F Autoclave Cured; ASTM D695

Thermal Properties	Original Value	Comments
Specific Heat Capacity	0.280 BTU/lb-°F @Temperature 65.6 °C	ASTM C351

Processing Properties	Original Value	Comments
Gel Time	0.800 - 1.70 min
Shelf Life	3.00 Month @Temperature 4.44 °C
	6.00 Month @Temperature -17.8 °C

Descriptive Properties
Fabric Area Weight (g/m²)	303
Prepreg Resin Content (%)	31-37
Resin Flow (%)	5-20	325°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 go back to viewing the property data in MatWeb's normal format.

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PPARK046 / 89318

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