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        Physical Properties and Characteristics of Fluoro-polymers and Hybrids

        GENERAL
        Property
        Norm DIN od. ASIM
        Unit
        PTFE
        PFA
        FEP
        ETFE
        PVDF
        Thermopl. Copolyester
        Polyester Elastomer
        Density
        53 479
        G/cm³
        2-14 2,19
        2,12-2,17
        2,12-2,17
        1,71-1,78
        1,75-1,78
        1,35-1,4
        1,2
        Max. continuous operating temp.
        250-260
        250-260
        200-205
        150-180
        150-170
        150-180
        130
        Flammability
        Non combustible
        Non combustible
        Non combustible
        Self extinguishing
        Self extinguishing
        Self extinguishing
        Combustible
        Water Absorption
        53 495
        %
        <0,01
        0,03
        <0,01
        <0,1
        0,03
        <0,03
        0,5
        MECHANICAL
        Property
        Norm DIN od. ASIM
        Unit
        PTFE
        PFA
        FEP
        ETFE
        PVDF
        Thermopl. Copolyester
        Polyester Elastomer
        Tensile Strength at 23癈
        53 455
        N/ mm²
        29-39
        27-32
        19-25
        36-48
        38-50
        70-95
        45?/div>
        70?/div>
        37°
        150?/div>
        14-20
        15-21
        4-6
        8-12
        7,5-10,5
        Elasticity at 23癈
        53 455
        N/ mm²
        10
        14
        12
        24
        46
        Tensile stress at 23癈
        53 455
        %
        200-500
        300
        250-350
        200-500
        20-250
        4-12
        400-700
        Tensile Modulus at 23癈
        53 457
        N/ mm²
        400-800
        650
        350-700
        500-1200
        800-1800
        1800-2600
        14-16
        Limit of Flexibility at 23癈
        53 452
        N/ mm²
        18-20
        15
        25-30
        55
        Bending modulus
        53 457
        N/ mm²
        600-800
        650-700
        660-680
        1000-1500
        1200-1400
        4500-5000
        180-210
        Ball pressure hardness 132/60
        53 456
        N/ mm²
        25-30
        25-30
        23-29
        34-40
        62-68
        Rockwell Hardness R
        ASIM-D-785
        45-55
        100-115
        88
        Shore hardness D
        53 505
        55-72
        60-65
        55-60
        63-75
        73-85
        55
        Coefficient of friction-v-steel
        0,05-0,2
        0,2-0,3
        0,3-0,35
        0,3-0,5
        0,2-0,4
        0,2-0,4
        THERMAL
        Property
        Norm DIN od. ASIM
        Unit
        PTFE
        PFA
        FEP
        ETFE
        PVDF
        Thermopl. Copolyester
        Polyester Elastomer
        Melt temperature
        ASTM 2116
        °C
        327
        300-310
        253-282
        265-275
        165-178
        340-400
        211
        Heat deflection temp A(18,5) Kp/cm?/div>
        53 461
        °C
        50-60
        51
        71-74
        80-92
        290-295
        B (4,6) Kp/cm³
        ISOR 75
        130-140
        70
        104
        146-150
        Coefficient of linear expansion
        I/ K.10-5
        10-16
        10-16
        8-14
        8-12
        8-12
        2-5
        Thermal conductivity at 23癈
        52 612
        W/ k.m
        0,23
        0,22
        0,20
        0,23
        0,17
        0,38
        Specific Temp. at 23癈
        KJ/ Kg.K
        1,01
        1,09
        1,17
        1,95
        1,38
        1,3
        Oxygen index
        %
        >92
        >95
        >95
        30
        43
        <30
        ELECTRICAL
        Property
        Norm DIN od. ASIM
        Unit
        PTFE
        PFA
        FEP
        ETFE
        PVDF
        Thermopl. Copolyester
        Polyester Elastomer
        Delectric dissipation factor 10³
        53 483
        2,0-2,1
        2,06-2,1
        2,1
        2,6
        7,8-9,0
        3,1-3,7
        4,6
        106
        2,0-2,1
        2,06-2,1
        2,1
        2,6
        6,4-7,6
        2,9-3,4
        Delectric constant at 10³
        54 483
        10-4
        0,3-0,5
        0,2
        2-8
        6-8
        120-200
        100
        106
        0,7-1,0
        0,8
        2-8
        50
        1500-1900
        250
        Flow Resistivity
        53 482
        Ω cm
        1018
        1018
        1018
        1016
        1014
        1015
        1013
        Surface Resistivity
        53 482
        Ω
        1017
        1017
        1016
        1014
        1013
        1014
        Creep Resistivity
        53 480
        KA3c
        KA3c
        KA1
        Arc Resistivity
        ASTM 495
        sec
        >360
        >300
        >75
        >30
        Dielectric Strength
        53 481
        KV/ mm
        40-80
        50-80
        50-80
        60-90
        40-80

         

         

         
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