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Omnia Plastica PEI Polyetherimide

Category Polymer , Thermoplastic , Polyetherimide (PEI)
Manufacturer Omnia Plastica s.p.a.
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
This high performance engineering plastic is a non-reinforced self-extinguishing amorphous polymer with high thermal, electrical and mechanical properties which are typical of a crystalline polymer.Features:Resistance to high temperature Flame resistance: self-extinguishing, low oxygen index. Mechanical properties: high tensile stress, flexural strength, E.modulus Chemical resistance Electrical propertiesWeak Point:The cost is higher than conventional engineering plastics. The shock resistance is not high.Application:Electrical: very good insulating and dielectric properties. It is irreplaceable in many applications in this field thanks to its self-extinguishing property and low smoke emission. Mechanical: it is used for high performance components such as bearings, precision gears, etc. at low as well as high temperatures. The dimensional stability is excellent, as is the heat resistance. Chemical: good chemical and thermal properties. Food contact: physiologically inertInformation provided by Omnia Plastica s.p.a. for semifinished products such as sheet, rod, and tube.
Physical Properties Metric English Comments
Density 1.27 g/cc
0.0459 lb/in³
ISO.1183 DIN.53479
Moisture Absorption at Equilibrium 0.20 %
0.20 %
50% relative humidity
Water Absorption at Saturation 1.2 %
1.2 %
23°C
Mechanical Properties Metric English Comments
Hardness, Rockwell M 109
109
dry sample; ISO2039.2
Ball Indentation Hardness 170 MPa
24700 psi
ISO2039.1 DIN.53456
Tensile Strength at Break 95.0 MPa
13800 psi
ISO.527 DIN.53455
Elongation at Break 50 %
50 %
ISO.527 DIN.53455
Tensile Modulus 3.10 GPa
450 ksi
ISO.527 DIN.53455
Compressive Strength 20.0 MPa
2900 psi
1% strain over 1000 hours; ISO.899 DIN.53444
Charpy Impact Unnotched NB
NB
7.5 J; ISO.R179 DIN.53453
Charpy Impact, Notched 8.00 J/cm²
38.1 ft-lb/in²
ISO179/3C DIN.53453
Coefficient of Friction, Dynamic 0.42
0.42
on dry ground steel; load =0.05MPa; speed =0.6 m/s
Thermal Properties Metric English Comments
CTE, linear 50.0 µm/m-°C

@Temperature 23.0 - 60.0 °C
27.8 µin/in-°F

@Temperature 73.4 - 140 °F
Thermal Conductivity 0.220 W/m-K
1.53 BTU-in/hr-ft²-°F
DIN.52612
Maximum Service Temperature, Air 180 °C
356 °F
Maximum operating temperature continuously for 5000 hours based on a tensile stress of 50% at 23° C.
200 °C
392 °F
short period, no load
Deflection Temperature at 1.8 MPa (264 psi) 195 °C
383 °F
ISO.75 DIN.53461
Minimum Service Temperature, Air -30.0 °C
-22.0 °F
impact conditions and heavy loads not considered
Flammability, UL94 V-0
V-0
Oxygen Index 47 %
47 %
ISO.4589
Electrical Properties Metric English Comments
Volume Resistivity 5.90e+12 ohm-cm
5.90e+12 ohm-cm
ISO.93 DIN.53482
Dielectric Constant 3.2

@Frequency 1e+6 Hz
3.2

@Frequency 1e+6 Hz
ISO.250 DIN.53483
Dielectric Strength 33.0 kV/mm
838 kV/in
ISO.243 DIN.53481
Dissipation Factor 0.0020

@Frequency 1e+6 Hz
0.0020

@Frequency 1e+6 Hz
ISO.250 DIN.53483
Descriptive Properties Value Comments
Form Amorphous
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