Park Aerospace Nelcote® F-502 Phenolic Prepreg, 3K 8HS PAN Reinforced

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Park Aerospace Nelcote® F-502 Phenolic Prepreg, 3K 8HS PAN 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	1.35 g/cc	ASTM D792
Volatiles	2.0 - 8.0 % @Temperature 135 °C	8 min
Thickness	16.0 mil	cured laminate, per ply

Mechanical Properties	Original Value	Comments
Hardness, Barcol	75	ASTM D2583
Tensile Strength, Yield	89000 psi @Temperature 23.9 °C	0° Direction, Dry; 325°F Autoclave Cured; ASTM D638
Tensile Modulus	8600 ksi @Temperature 23.9 °C	0° Direction, Dry; 325°F Autoclave Cured; ASTM D638
Flexural Strength	122 ksi @Temperature 23.9 °C	Dry; 325°F Autoclave Cured; ASTM D790
Flexural Modulus	8100 ksi @Temperature 23.9 °C	Dry; 325°F Autoclave Cured; ASTM D790
Compressive Strength	77.0 ksi @Temperature 23.9 °C	Dry; 325°F Autoclave Cured; ASTM D695
Compressive Modulus	9400 ksi @Temperature 23.9 °C	Dry; 325°F Autoclave Cured; ASTM D695
Shear Strength	4.80 ksi @Temperature 23.9 °C	Short-Beam, Dry; 325°F Autoclave Cured; ASTM D5379

Processing Properties	Original Value	Comments
Gel Time	0.800 - 3.30 min
Shelf Life	3.00 Month @Temperature 4.44 °C
	6.00 Month @Temperature -17.8 °C

Descriptive Properties
Fabric Area Weight (g/m²)	617
Prepreg Resin Content (%)	32-38
Resin Flow (%)	10-25	325°F, 15psi

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PPARK043 / 89315

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