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Master Bond adhesives

Fluorseals PTFE Unfilled
Categories: Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Molded
Material Notes:

Information provided by TEKU GmbH Fluorkunststoffe, a distributor of Fluorseals materials.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 2.15 - 2.18 g/cc0.0777 - 0.0788 lb/in³DIN 53479
Deformation 14 %14 %14 MPa, 100 h, 23°C; ASTM D621-59
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 55 - 5955 - 59DIN 53505
Ball Indentation Hardness 27.0 - 32.0 MPa3920 - 4640 psiDIN 53456
Tensile Strength at Break 20.0 - 40.0 MPa2900 - 5800 psiASTM 1457-69 T
Elongation at Break 250 - 500 %250 - 500 %ASTM 1457-69 T
Tensile Modulus 0.750 GPa109 ksiDIN 53457
Flexural Strength 14.0 MPa2030 psi3.5% Flexural Stress; DIN 53452
Compressive Yield Strength 10.0 MPa1450 psi1% Yield Point; DIN 53454
 18.0 MPa2610 psi10% Yield Point; DIN 53454
Izod Impact, Notched (ISO) 16.0 kJ/m²7.61 ft-lb/in²DIN EN ISO 197 397
Izod Impact, Unnotched (ISO) NBNBDIN EN ISO 197 397
Coefficient of Friction, Dynamic 0.23 - 0.270.23 - 0.27v = 1 m/s
 0.25 - 0.280.25 - 0.28v = 1.9 m/s
Abrasion 4.04.0mm of depth after 5 hrs load duration; Partner Material ST 50
Torsional Stiffness 160 MPa23200 psiDIN 53447
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+18 ohm-cm1.00e+18 ohm-cmDIN 53482
Surface Resistance 1.00e+17 ohm1.00e+17 ohmDIN 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 VVDE 0303 Part 1/9.64
 
Thermal PropertiesMetricEnglishComments
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-°FDIN 52612
Melting Point 320 - 340 °C608 - 644 °FMelting Range; DTA
Maximum Service Temperature, Air 260 °C500 °FLong Term
 300 °C572 °FShort Term
Vicat Softening Point 110 °C230 °Fin air; DIN 53460
Minimum Service Temperature, Air -200 °C-328 °F
 
Descriptive Properties
Bending cycles to failure>10^6
Heat of Combustion4600 kJ/kg
Incandescence resistanceLevel 1
Volume change between r.t. and melting range27 to 28%
Volume Change in the melting interval5 to 8%

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PTEKU0 / 70053




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