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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
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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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