Park Aerospace Nelcote® F-502 Phenolic Prepreg, 7628 E-Glass Reinforced

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Park Aerospace Nelcote® F-502 Phenolic Prepreg, 7628 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	Metric	English	Comments

Volatiles	5.0 - 8.0 % @Temperature 135 °C	5.0 - 8.0 % @Temperature 275 °F	8 min

Processing Properties	Metric	English	Comments
Gel Time	0.800 - 1.70 min	0.800 - 1.70 min
Shelf Life	3.00 Month @Temperature 4.44 °C	3.00 Month @Temperature 40.0 °F
	6.00 Month @Temperature -17.8 °C	6.00 Month @Temperature 0.000 °F

Descriptive Properties
Fabric Area Weight (g/m²)	203
Prepreg Resin Content (%)	36-44
Resin Flow (%)	20-32		325°F, 15psi

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PPARK045 / 89317

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