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Rulon Bearings

DuPont™ Tedlar® TWH20BS3 Satin White Polyvinyl Fluoride Film
Categories: Polymer; Film; Thermoplastic; Fluoropolymer

Material Notes: Properties of DuPont™ Tedlar® polyvinyl fluoride (PVF) biaxially oriented film include excellent resistance to weathering, outstanding mechanical properties, and inertness towards a wide variety of chemicals, solvents, and staining agents.

Key Words: PVF
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.71 g/cc1.71 g/ccASTM D1505
Moisture Absorption at Equilibrium <= 0.50 %<= 0.50 %ASTM D570
Moisture Vapor Transmission 0.860 cc-mm/m²-24hr-atm2.18 cc-mil/100 in²-24hr-atmASTM E96
Thickness 50.8 microns2.00 mil
 
Mechanical PropertiesMetricEnglishComments
Film Elongation at Break, MD >= 110 %>= 110 %ASTM D882
Secant Modulus, MD 2.65 GPa385 ksiASTM D822
Impact 71.671.6kJ/m; Spencer; ASTM D3420
Coefficient of Friction 0.180.18Film:Metal; ASTM D1894
Tear Strength 146 kN/m833 pliGraves (initial), TD; ASTM D1004
 195 kN/m1110 pliGraves (initial), MD; ASTM D1004
Elmendorf Tear Strength, MD 1.82 g/micron46.2 g/milASTM D1922
Elmendorf Tear Strength, TD 1.05 g/micron26.6 g/milASTM D1922
Film Tensile Strength at Break, MD >= 62.1 MPa>= 9000 psiASTM D882
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity  1.50e+11 ohm-cm
@Temperature 100 °C
1.50e+11 ohm-cm
@Temperature 212 °F
ASTM D257
 7.00e+14 ohm-cm
@Temperature 22.0 °C
7.00e+14 ohm-cm
@Temperature 71.6 °F
ASTM D257
Dielectric Constant 11
@Frequency 1000 Hz
11
@Frequency 1000 Hz
ASTM D150
Dielectric Strength 138 kV/mm
@Frequency 60 Hz
3500 kV/in
@Frequency 60 Hz
ASTM D150
Dissipation Factor  0.014
@Frequency 1000 Hz,
Temperature 22.0 °C
0.014
@Frequency 1000 Hz,
Temperature 71.6 °F
ASTM D150
 0.016
@Frequency 10000 Hz,
Temperature 70.0 °C
0.016
@Frequency 10000 Hz,
Temperature 158 °F
ASTM D150
 0.017
@Frequency 1000 Hz,
Temperature 70.0 °C
0.017
@Frequency 1000 Hz,
Temperature 158 °F
ASTM D150
 0.034
@Frequency 10000 Hz,
Temperature 22.0 °C
0.034
@Frequency 10000 Hz,
Temperature 71.6 °F
ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear  83.0 µm/m-°C
@Temperature 50.0 - 70.0 °C
46.1 µin/in-°F
@Temperature 122 - 158 °F
TD; ASTM D696
 97.0 µm/m-°C
@Temperature 50.0 - 70.0 °C
53.9 µin/in-°F
@Temperature 122 - 158 °F
MD; ASTM D696
Specific Heat Capacity 1.05 J/g-°C0.251 BTU/lb-°FDuPont 990 test
Maximum Service Temperature, Air 107 °C225 °FContinuous
 175 °C347 °FShort Cycle
Minimum Service Temperature, Air -72.0 °C-97.6 °FContinuous
Shrinkage <= 5.0 %
@Temperature 170 °C
<= 5.0 %
@Temperature 338 °F
TD; ASTM D1204
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.46
@Temperature 30.0 °C
1.46
@Temperature 86.0 °F
nD; Abbe Refractometer; ASTM D-542
 
Descriptive Properties
Aging in Air> 3000 hours to embrittlement300°F Oven

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