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Park Electrochemical Nelcote® P-650M Polyester Prepreg, 7781 E-Glass Reinforced

Category Polymer , Thermoset , Polyester, TS
Manufacturer Park Electrochemical Corp.
Trade Name Nelcote®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Park Electrochemical Nelcote® P-650M Polyester Prepreg, 7781 E-Glass Reinforced.pdf
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Material Notes:
Nelcote® P-650M is a polyester resin system suitable for coating on any MIL-C-9084. P-650M has good electrical and mechanical properties and has been used in a wide variety of applications, including embossing die fabrication and aircraft structural partsKey Features and Benefits:Meets requirements of MIL-R-7575C, grades A and BGood electrical and structural propertiesExcellent retention of mechanical properties at elevated temperaturesApplications/Qualifications:Embossing die fabricationAircraft structural partsElectrical InsulationInformation provided by Park Electrochemical Corp.
Physical Properties Metric English Comments
Specific Gravity 1.89 g/cc
1.89 g/cc
Volatiles <= 2.0 %

@Temperature 104 °C
<= 2.0 %

@Temperature 220 °F
8 min
Mechanical Properties Metric English Comments
Hardness, Barcol 71
71
Tensile Strength, Yield 248 MPa

@Temperature 121 °C
36000 psi

@Temperature 250 °F
0° Direction, Dry; ASTM D638 Type 1
359 MPa

@Temperature 23.9 °C
52000 psi

@Temperature 75.0 °F
0° Direction, Dry; ASTM D638 Type 1
Tensile Modulus 17.9 GPa

@Temperature 121 °C
2600 ksi

@Temperature 250 °F
0° Direction, Dry; ASTM D638 Type 1
21.4 GPa

@Temperature 23.9 °C
3100 ksi

@Temperature 75.0 °F
0° Direction, Dry; ASTM D638 Type 1
Flexural Strength 359 MPa

@Temperature 121 °C
52000 psi

@Temperature 250 °F
Dry; ASTM D790
496 MPa

@Temperature 23.9 °C
72000 psi

@Temperature 75.0 °F
Dry; ASTM D790
Flexural Modulus 17.9 GPa

@Temperature 121 °C
2600 ksi

@Temperature 250 °F
Dry; ASTM D790
25.5 GPa

@Temperature 23.9 °C
3700 ksi

@Temperature 75.0 °F
Dry; ASTM D790
Compressive Strength 255 MPa

@Temperature 121 °C
37000 psi

@Temperature 250 °F
Dry; ASTM D695
324 MPa

@Temperature 23.9 °C
47000 psi

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

@Temperature 121 °C
3000 ksi

@Temperature 250 °F
Dry; ASTM D695
24.1 GPa

@Temperature 23.9 °C
3500 ksi

@Temperature 75.0 °F
Dry; ASTM D695
Electrical Properties Metric English Comments
Dielectric Constant 3.49

@Frequency 1.36e+10 Hz
3.49

@Frequency 1.36e+10 Hz
Dry
3.52

@Frequency 1.36e+10 Hz
3.52

@Frequency 1.36e+10 Hz
Wet
3.56

@Frequency 8.60e+9 Hz
3.56

@Frequency 8.60e+9 Hz
Dry
3.61

@Frequency 8.60e+9 Hz
3.61

@Frequency 8.60e+9 Hz
Wet
Dissipation Factor 0.0090

@Frequency 1.36e+10 Hz
0.0090

@Frequency 1.36e+10 Hz
Dry
0.011

@Frequency 8.60e+9 Hz
0.011

@Frequency 8.60e+9 Hz
Dry
0.020

@Frequency 1.36e+10 Hz
0.020

@Frequency 1.36e+10 Hz
Wet
0.040

@Frequency 8.60e+9 Hz
0.040

@Frequency 8.60e+9 Hz
Wet
Processing Properties Metric English Comments
Gel Time 0.750 min
0.750 min
Shelf Life 3.00 Month

@Temperature 4.44 °C
3.00 Month

@Temperature 40.0 °F
6.00 Month

@Temperature -17.8 °C
6.00 Month

@Temperature 0.000 °F
Descriptive Properties Value Comments
Fabric Area Weight (g/m²) 300
Prepreg Resin Content (%) 42-48
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