Park Aerospace Nelcote® E-766B Epoxy Prepreg, 7581 E-Glass Reinforced

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Park Aerospace Nelcote® E-766B Epoxy Prepreg, 7581 E-Glass Reinforced
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Nelcote® E-766B is a low tack, self adhesive epoxy resin system designed for honeycomb applications. E-766B displays excellent peel properties. Key Features and Benefits: Self adhesive resin system for sandwich panel applications Flame retardant and self-extinguishing Low tack and long out-times for ease of processing Applications/Qualifications: Sandwich panels / structures Aircraft Interiors Mass Transit Interiors Information provided by Park Electrochemical Corp.
Key Words:	EP
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Physical Properties	Metric	English	Comments

Volatiles	<= 1.0 % @Temperature 163 °C	<= 1.0 % @Temperature 325 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	448 MPa @Temperature 23.9 °C	65000 psi @Temperature 75.0 °F	ASTM D3039
Tensile Modulus	21.4 GPa @Temperature 23.9 °C	3100 ksi @Temperature 75.0 °F	Dry; ASTM D3039
Compressive Strength	448 MPa @Temperature 23.9 °C	65000 psi @Temperature 75.0 °F	Dry; ASTM D695
Compressive Modulus	22.1 GPa @Temperature 23.9 °C	3200 ksi @Temperature 75.0 °F	Dry; ASTM D695
Shear Strength	53.8 MPa @Temperature 23.9 °C	7800 psi @Temperature 75.0 °F	Short-Beam, Dry; ASTM D2344

Thermal Properties	Metric	English	Comments
Glass Transition Temp, Tg	93.0 °C	199 °F	Dry; DMA

Processing Properties	Metric	English	Comments
Shelf Life	12.0 Month @Temperature -17.8 °C	12.0 Month @Temperature 0.000 °F

Descriptive Properties
Fabric Area Weight (g/m²)	300
Prepreg Resin Content (%)	37-43
Resin Flow (%)	15-21		275°F, 15psi

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PPARK040 / 89312

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