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space space space Products space space space space space Penntube® space space space space space Summary of Properties space space
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Property Penntube®
SMT SST PFA TFE TFE4X WTF
Material FEP FEP PFA TFE TFE TFE/FEP
Max. ServiceTemperature –170∼+200 –170∼+200 –170∼+260 –170∼+260 –170∼+260 –170∼+230
shrinkage temperature 120 140 140 327 327 327
Rate of shrinkage% 25 40 25 50 75 67
Coating diameter mm 0.68∼53.3 1.5∼51.0 1.21∼26.0 0.38∼11.94 0.64∼31.75 0.00∼6.35
Rate of change in length% <±15 <±15 <±15 <±25 <±25 <±25
Withstand voltage kV/mm >35 >35 >35 >27 >27 >27
Linear Coefficient of Expansion Ω•cm 1018 1018 >1018 >1018 >1018 >1018
Dielectric Constant 106 Hz 2.1 2.1 2.1 <2.1 <2.1 2.1
TensileStrength MPa 20.6 27.5 31.4 27.5∼34.3 27.5∼34.3 19.6∼29.4
Elongation% 300 300 300 200～400 200～400 200～300
WaterAbsorption (24Hr.)% <0.01 <0.01 0.03 <0.01 <0.01 <0.01
Specific Gravity 2.15 2.15 2.15 2.18 2.18 2.17
Flammability Rating Incombustible Incombustible Incombustible Incombustible Incombustible Incombustible
weatherability
Oile resistance
Chemical resistance
alkali resistance
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Abbreviation Chemical Name Chemical Formula
TFE Tetrafluoroetylene -(-CF2-CF2-)-n
PFA Tetrafluoroetylene Perfluoroalkylvinylether Copolymer
-(-CF2-CF2-)-m-(-CF2-CF-)-n
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ORf
FEP Tetrafluoroetylene Hexafluoropropylen Copolymer
-(-CF2-CF2-)-m-(-CF2-CF-)-n
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CF3
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