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Fluorseals PTFE Unfilled

Category Polymer , Thermoplastic , Fluoropolymer , PTFE , Polytetrafluoroethylene (PTFE), Molded
Manufacturer Fluorseals
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:
Information provided by TEKU GmbH Fluorkunststoffe, a distributor of Fluorseals materials.
Physical Properties Metric English Comments
Density 2.15 - 2.18 g/cc
0.0777 - 0.0788 lb/in³
DIN 53479
Deformation 14 %
14 %
14 MPa, 100 h, 23°C; ASTM D621-59
Mechanical Properties Metric English Comments
Hardness, Shore D 55 - 59
55 - 59
DIN 53505
Ball Indentation Hardness 27.0 - 32.0 MPa
3920 - 4640 psi
DIN 53456
Tensile Strength at Break 20.0 - 40.0 MPa
2900 - 5800 psi
ASTM 1457-69 T
Elongation at Break 250 - 500 %
250 - 500 %
ASTM 1457-69 T
Tensile Modulus 0.750 GPa
109 ksi
DIN 53457
Flexural Strength 14.0 MPa
2030 psi
3.5% Flexural Stress; DIN 53452
Compressive Strength 10.0 MPa
1450 psi
1% Yield Point; DIN 53454
18.0 MPa
2610 psi
10% Yield Point; DIN 53454
Izod Impact, Notched (ISO) 16.0 kJ/m²
7.61 ft-lb/in²
DIN EN ISO 197 397
Izod Impact, Unnotched (ISO) NB
NB
DIN EN ISO 197 397
Coefficient of Friction, Dynamic 0.23 - 0.27
0.23 - 0.27
v = 1 m/s
0.25 - 0.28
0.25 - 0.28
v = 1.9 m/s
Abrasion 4.0
4.0
mm of depth after 5 hrs load duration; Partner Material ST 50
Torsional Stiffness 160 MPa
23200 psi
DIN 53447
Thermal Properties Metric English Comments
CTE, linear 160 µm/m-°C

@Temperature 20.0 - 100 °C
 88.9 µin/in-°F

@Temperature 68.0 - 212 °F
 DIN 52328
195 µm/m-°C

@Temperature 20.0 - 200 °C
 108 µin/in-°F

@Temperature 68.0 - 392 °F
 DIN 52328
250 µm/m-°C

@Temperature 20.0 - 300 °C
 139 µin/in-°F

@Temperature 68.0 - 572 °F
 DIN 52328
Specific Heat Capacity 0.960 J/g-°C

@Temperature 0.000 °C
 0.229 BTU/lb-°F

@Temperature 32.0 °F
 adiabatic calorimeter
1.03 J/g-°C

@Temperature 50.0 °C
 0.246 BTU/lb-°F

@Temperature 122 °F
 adiabatic calorimeter
Thermal Conductivity >= 0.500 W/m-K
>= 3.47 BTU-in/hr-ft²-°F
DIN 52612
Melting Point 320 - 340 °C
608 - 644 °F
Melting Range; DTA
Maximum Service Temperature, Air 260 °C
500 °F
Long Term
300 °C
572 °F
Short Term
Vicat Softening Point 110 °C
230 °F
in air; DIN 53460
Minimum Service Temperature, Air -200 °C
-328 °F
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+18 ohm-cm
1.00e+18 ohm-cm
DIN 53482
Surface Resistance 1.00e+17 ohm
1.00e+17 ohm
DIN 53482
Dielectric Constant 2.1

@Frequency 50.0 - 100 Hz
 2.1

@Frequency 50.0 - 100 Hz
 DIN 53483
Dielectric Strength 50.0 - 80.0 kV/mm

@Thickness 0.200 mm
 1270 - 2030 kV/in

@Thickness 0.00787 in
 VDE 0303 Part 2
Dissipation Factor 0.000030

@Frequency 1000 Hz
 0.000030

@Frequency 1000 Hz
 DIN 53483
0.000050

@Frequency 50 Hz
 0.000050

@Frequency 50 Hz
 DIN 53483
0.000070

@Frequency 1e+6 Hz
 0.000070

@Frequency 1e+6 Hz
 DIN 53483
<= 0.00010

@Frequency 1000 - 100000 Hz,
Temperature -50.0 - 200 °C
 <= 0.00010

@Frequency 1000 - 100000 Hz,
Temperature -58.0 - 392 °F
 DIN 53483
Comparative Tracking Index >= 600 V
>= 600 V
VDE 0303 Part 1/9.64
Descriptive Properties Value Comments
Bending cycles to failure >10^6
Heat of Combustion 4600 kJ/kg
Incandescence resistance Level 1
Volume change between r.t. and melting range 27 to 28%
Volume Change in the melting interval 5 to 8%
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