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Park Electrochemical Nelcote® E-722 Epoxy Prepreg, 285 Kevlar® 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, 285 Kevlar® 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 <= 3.0 %

@Temperature 135 °C
<= 3.0 %

@Temperature 275 °F
8 min
Mechanical Properties Metric English Comments
Tensile Strength, Yield 524 MPa

@Temperature 87.8 °C
76000 psi

@Temperature 190 °F
0° Direction, Wet (2hr water boil immersion); ASTM D638 Type 1
545 MPa

@Temperature 93.3 °C
79000 psi

@Temperature 200 °F
0° Direction, Dry; ASTM D638 Type 1
558 MPa

@Temperature 23.9 °C
81000 psi

@Temperature 75.0 °F
0° Direction, Dry; ASTM D638 Type 1
558 MPa

@Temperature 87.8 °C
81000 psi

@Temperature 190 °F
0° Direction, Dry; ASTM D638 Type 1
Tensile Modulus 26.2 GPa

@Temperature 93.3 °C
3800 ksi

@Temperature 200 °F
0° Direction, Dry; ASTM D638 Type 1
26.9 GPa

@Temperature 87.8 °C
3900 ksi

@Temperature 190 °F
0° Direction, Wet (2hr water boil immersion); ASTM D638 Type 1
27.6 GPa

@Temperature 87.8 °C
4000 ksi

@Temperature 190 °F
0° Direction, Dry; ASTM D638 Type 1
30.3 GPa

@Temperature 23.9 °C
4400 ksi

@Temperature 75.0 °F
0° Direction, Dry; ASTM D638 Type 1
Flexural Strength 269 MPa

@Temperature 87.8 °C
39000 psi

@Temperature 190 °F
Wet (2hr water boil immersion); ASTM D790
276 MPa

@Temperature 93.3 °C
40000 psi

@Temperature 200 °F
Dry; ASTM D790
296 MPa

@Temperature 87.8 °C
43000 psi

@Temperature 190 °F
Dry; ASTM D790
345 MPa

@Temperature 23.9 °C
50000 psi

@Temperature 75.0 °F
Dry; ASTM D790
Flexural Modulus 22.8 GPa

@Temperature 93.3 °C
3300 ksi

@Temperature 200 °F
Dry; ASTM D790
23.4 GPa

@Temperature 87.8 °C
3400 ksi

@Temperature 190 °F
Dry; ASTM D790
24.8 GPa

@Temperature 87.8 °C
3600 ksi

@Temperature 190 °F
Wet (2hr water boil immersion); ASTM D790
26.2 GPa

@Temperature 23.9 °C
3800 ksi

@Temperature 75.0 °F
Dry; ASTM D790
Compressive Strength 124 MPa

@Temperature 87.8 °C
18000 psi

@Temperature 190 °F
Wet (2hr water boil immersion); ASTM D695
152 MPa

@Temperature 87.8 °C
22000 psi

@Temperature 190 °F
Dry; ASTM D695
152 MPa

@Temperature 93.3 °C
22000 psi

@Temperature 200 °F
Dry; ASTM D695
200 MPa

@Temperature 23.9 °C
29000 psi

@Temperature 75.0 °F
Dry; ASTM D695
Compressive Modulus 20.7 GPa

@Temperature 87.8 °C
3000 ksi

@Temperature 190 °F
Wet (2hr water boil immersion); ASTM D695
21.4 GPa

@Temperature 87.8 °C
3100 ksi

@Temperature 190 °F
Dry; ASTM D695
22.1 GPa

@Temperature 93.3 °C
3200 ksi

@Temperature 200 °F
Dry; ASTM D695
22.8 GPa

@Temperature 23.9 °C
3300 ksi

@Temperature 75.0 °F
Dry; ASTM D695
Shear Strength 29.6 MPa

@Temperature 87.8 °C
4300 psi

@Temperature 190 °F
Short-Beam, Wet (2hr water boil immersion); ASTM D2344
31.7 MPa

@Temperature 93.3 °C
4600 psi

@Temperature 200 °F
Short-Beam, Dry; ASTM D2344
37.9 MPa

@Temperature 87.8 °C
5500 psi

@Temperature 190 °F
Short-Beam, Dry; ASTM D2344
38.6 MPa

@Temperature 23.9 °C
5600 psi

@Temperature 75.0 °F
Short-Beam, Dry; ASTM D2344
Processing Properties Metric English Comments
Gel Time 1.00 - 4.00 min
1.00 - 4.00 min
Shelf Life 12.0 Month

@Temperature -17.8 °C
12.0 Month

@Temperature 0.000 °F
Descriptive Properties Value Comments
Prepreg Resin Content (%) 52-58
Resin Flow (%) 15-35
325°F, 15psi
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