Park Aerospace Nelcote® F-529 Phenolic Prepreg, 3K PW Reinforced

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Park Aerospace Nelcote® F-529 Phenolic Prepreg, 3K PW Reinforced
Categories:	Polymer; Thermoset; Phenolic
Material Notes:	Nelcote® F-529 is a non-halogenated phenolic resin designed specifically for use in aircraft and mass-transit interior laminate and sandwich panels. F-529 was formulated for applications requiring non-halogenated FST (flame, smoke, toxicity) performance. Key Features and Benefits: Self-Adhesive resin system for sandwich panel applications Non-Halogenated and antimony-free resin formulation Excellent FST performance Low OSU heat-release (< 20/20) Good Tack and Drape properties White color after cure for superior cosmetics Applications/Qualifications: Aircraft Interiors Mass-Transit Interiors Meets all requirements of: FAR 25.853 FAR 25.856 ATS 1000.001 OSU 1990 Information provided by Park Electrochemical Corp.
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Physical Properties	Original Value	Comments

Volatiles	<= 3.5 % @Temperature 135 °C	8 min

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	77000 psi @Temperature 23.9 °C	0° Direction, Dry; Press Cure, 16min, 300°F; ASTM D638
Tensile Modulus	8300 ksi @Temperature 23.9 °C	0° Direction, Dry; Press Cure, 16min, 300°F; ASTM D638
Compressive Strength	101 ksi @Temperature 23.9 °C	Dry; Press Cure, 16min, 300°F; ASTM D695
Compressive Modulus	7900 ksi @Temperature 23.9 °C	Dry; Press Cure, 16min, 300°F; ASTM D695

Optical Properties	Original Value	Comments
Optical Density	1.0	Dm, Flaming Mode; FAR 25.853, Part 25 Appendix F, Part V

Processing Properties	Original Value	Comments
Gel Time	7.00 min
Shelf Life	6.00 Month @Temperature 4.44 °C

Descriptive Properties
Burn Length (in)	1.8	Vertical Burn, 60 sec; FAR 25.853, Part 25 Appendix F, Part I (b) (4)
Climbing Drum Peel (in-lb/3in)	8	ASTM D1781; Dry, 75°F; Press Cure, 16min, 300°F
Drip	None	Vertical Burn, 60 sec; FAR 25.853, Part 25 Appendix F, Part I (b) (4)
Fabric Area Weight (g/m²)	193
Heat Release, Peak (KW/m²)	32	FAR 25.853 Part 25 Appendix F, Part IV
Heat Release, Total (KW-min/m²)	19	FAR 25.853 Part 25 Appendix F, Part IV
Prepreg Resin Content (%)	38-44
Resin Flow (%)	10-30	260°F, 150psi
Self Extinguish Time (sec)	0	Vertical Burn, 60 sec; FAR 25.853, Part 25 Appendix F, Part I (b) (4)

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