Polikim EFALON® C-15 PTFE, 15% Glass Filled

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Polikim EFALON® C-15 PTFE, 15% Glass Filled
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Glass Filled, Molded
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.
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Physical Properties	Original Value	Comments

Density	2.15 - 2.25 g/cc	ASTM D792
Deformation	2.8 - 3.0 % @Temperature 150 °C, Time 86400 sec, Pressure 0.981 MPa	total
	6.0 - 8.0 % @Temperature 23.0 °C, Time 86400 sec, Pressure 13.7 MPa	permanent; ASTM D621
	11 - 15 % @Temperature 23.0 °C, Time 86400 sec, Pressure 13.7 MPa	total; ASTM D621
	18 - 19 % @Temperature 150 °C, Time 86400 sec, Pressure 4.90 MPa	total

Mechanical Properties	Original Value	Comments
Hardness, Shore D	60 - 64	ASTM D2240
Tensile Strength, Ultimate	175 - 260 kg(f)/cm²	ASTM D638
Elongation at Break	250 - 280 %	ASTM D638
Compressive Strength	60.0 - 65.0 kg(f)/cm²	1% Deformation; ASTM D695
Izod Impact, Notched (ISO)	14.0 - 15.5 kJ/m²	ASTM D256
Coefficient of Friction	0.060
Coefficient of Friction, Static	0.050
Limiting Pressure Velocity	0.00343 - 0.00352 MPa-m/sec	3 m/min
	0.00409 - 0.00441 MPa-m/sec	30 m/min
	0.00507 - 0.00523 MPa-m/sec	300 m/min

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+13 ohm-cm	ASTM D257
Surface Resistance	>= 1.00e+15 ohm	50% rel. humidity; ASTM D257
Dielectric Constant	2.3 - 2.5 @Frequency 50.0 - 1.00e+7 Hz	ASTM D150
Dielectric Strength	16.0 - 19.0 kV/mm @Thickness 0.100 mm	short term; ASTM D149
Dielectric Loss Index	0.00075 @Frequency 50 Hz	dry

Thermal Properties	Original Value	Comments
CTE, linear	90.0 - 160 µm/m-°C @Temperature 25.0 - 200 °C	ASTM D696
	120 - 145 µm/m-°C @Temperature 25.0 - 100 °C	ASTM D696
	150 - 180 µm/m-°C @Temperature 25.0 - 300 °C	ASTM D696
Thermal Conductivity	0.000800 - 0.000900 cal cm/sec-cm²-°C
Maximum Service Temperature, Air	270 °C	continuous
Minimum Service Temperature, Air	-260 °C

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