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Polikim EFALON® C-25 PTFE, 25% Glass Filled

Category Polymer , Thermoplastic , Fluoropolymer , PTFE , Polytetrafluoroethylene (PTFE), Glass Filled, Molded
Manufacturer Polikim Polimer ve Kimya Sanay
Trade Name EFALON®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Polikim EFALON® C-25 PTFE, 25% Glass Filled.pdf
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Material Notes:
C15 and C25 have less thermal expansion, higher wear resistance and less deformation under load compared to virgin Efalon® (PTFE). Applications: Seals, Seal rings, gaskets, valve sets, piston rings, bearings.Information provided by Polikim Polimer.
Physical Properties Metric English Comments
Density 2.20 - 2.30 g/cc
0.0795 - 0.0831 lb/in³
ASTM D792
Deformation 2.6 - 2.8 %

@Temperature 150 °C,
Time 86400 sec,
Pressure 0.981 MPa
2.6 - 2.8 %

@Temperature 302 °F,
Time 24.0 hour,
Pressure 142 psi
total
4.0 - 8.0 %

@Temperature 23.0 °C,
Time 86400 sec,
Pressure 13.7 MPa
4.0 - 8.0 %

@Temperature 73.4 °F,
Time 24.0 hour,
Pressure 1990 psi
permanent; ASTM D621
9.5 - 13.5 %

@Temperature 23.0 °C,
Time 86400 sec,
Pressure 13.7 MPa
9.5 - 13.5 %

@Temperature 73.4 °F,
Time 24.0 hour,
Pressure 1990 psi
total; ASTM D621
15 - 16 %

@Temperature 150 °C,
Time 86400 sec,
Pressure 4.90 MPa
15 - 16 %

@Temperature 302 °F,
Time 24.0 hour,
Pressure 711 psi
total
Mechanical Properties Metric English Comments
Hardness, Shore D 64 - 68
64 - 68
ASTM D2240
Tensile Strength, Ultimate 14.7 - 23.5 MPa
2130 - 3410 psi
ASTM D638
Elongation at Break 200 - 270 %
200 - 270 %
ASTM D638
Compressive Strength 6.37 - 6.86 MPa
925 - 996 psi
1% Deformation; ASTM D695
Izod Impact, Notched (ISO) 12.0 - 15.0 kJ/m²
5.71 - 7.14 ft-lb/in²
ASTM D256
Coefficient of Friction 0.090
0.090
Coefficient of Friction, Static 0.070
0.070
Limiting Pressure Velocity 0.00351 - 0.00360 MPa-m/sec
100 - 103 psi-ft/min
3 m/min
0.00441 - 0.00491 MPa-m/sec
126 - 140 psi-ft/min
30 m/min
0.00540 - 0.00556 MPa-m/sec
154 - 159 psi-ft/min
300 m/min
Thermal Properties Metric English Comments
CTE, linear 70.0 - 115 µm/m-°C

@Temperature 25.0 - 100 °C
38.9 - 63.9 µin/in-°F

@Temperature 77.0 - 212 °F
ASTM D696
75.0 - 140 µm/m-°C

@Temperature 25.0 - 200 °C
41.7 - 77.8 µin/in-°F

@Temperature 77.0 - 392 °F
ASTM D696
85.0 - 180 µm/m-°C

@Temperature 25.0 - 300 °C
47.2 - 100 µin/in-°F

@Temperature 77.0 - 572 °F
ASTM D696
Thermal Conductivity 0.418 - 0.460 W/m-K
2.90 - 3.19 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 270 °C
518 °F
continuous
Minimum Service Temperature, Air -260 °C
-436 °F
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+13 ohm-cm
>= 1.00e+13 ohm-cm
ASTM D257
Surface Resistance >= 1.00e+15 ohm
>= 1.00e+15 ohm
50% rel. humidity; ASTM D257
Dielectric Constant 2.5 - 2.8

@Frequency 50.0 - 1.00e+7 Hz
2.5 - 2.8

@Frequency 50.0 - 1.00e+7 Hz
ASTM D150
Dielectric Strength 13.0 - 16.0 kV/mm

@Thickness 0.100 mm
330 - 406 kV/in

@Thickness 0.00394 in
short term; ASTM D149
Dielectric Loss Index 0.00070

@Frequency 50.0 Hz
0.00070

@Frequency 50.0 Hz
dry
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