Park Electrochemical Nelcote® E-722 Epoxy Prepreg, 7781 E-Glass Reinforced

Category	Polymer , Thermoset , Epoxy
Manufacturer	Park Electrochemical Corp.
Trade Name	Nelcote®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Park Electrochemical Nelcote® E-722 Epoxy Prepreg, 7781 E-Glass Reinforced.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Nelcote® E-722 is a modified 350°F cure epoxy system with excellent processing characteristics for vacuum bag, press, and autoclave molding.Key Features and Benefits:Epoxy resin system optimized for use with woven aramid reinforcementsMeets requirements of MIL-R-9300B, Type 1Long out-time for easy processingApplications/Qualifications:Military HelicoptersEngine NacellesWork PlatformsDoorsAir FramesInformation provided by Park Electrochemical Corp.

Physical Properties	Metric	English	Comments
Volatiles	<= 2.0 % @Temperature 135 °C	<= 2.0 % @Temperature 275 °F	8 min

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	372 MPa @Temperature 23.9 °C	54000 psi @Temperature 75.0 °F	0° Direction, Dry; ASTM D638 Type 1
Tensile Modulus	20.7 GPa @Temperature 23.9 °C	3000 ksi @Temperature 75.0 °F	0° Direction, Dry; ASTM D638 Type 1
Flexural Strength	758 MPa @Temperature 23.9 °C	110000 psi @Temperature 75.0 °F	Dry; ASTM D790
Flexural Modulus	24.8 GPa @Temperature 23.9 °C	3600 ksi @Temperature 75.0 °F	Dry; ASTM D790
Compressive Strength	414 MPa @Temperature 23.9 °C	60000 psi @Temperature 75.0 °F	Dry; ASTM D695
Compressive Modulus	20.7 GPa @Temperature 23.9 °C	3000 ksi @Temperature 75.0 °F	Dry; ASTM D695
Shear Strength	46.9 MPa @Temperature 23.9 °C	6800 psi @Temperature 75.0 °F	Short-Beam, Dry; ASTM D2344

Processing Properties	Metric	English	Comments
Gel Time	1.00 - 2.50 min	1.00 - 2.50 min
Shelf Life	12.0 Month @Temperature -17.8 °C	12.0 Month @Temperature 0.000 °F

Descriptive Properties	Value	Comments
Prepreg Resin Content (%)	35-40
Resin Flow (%)	7-21	325°F, 15psi

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